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Results for Perpetual Calendar

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Exclusive · Guide
Vacheron Constantin brings back the traditionelle Twin Beat Perpetual Calendar, now with 70 days of reserve

The most clever perpetual calendar in the business just got a meaningful upgrade, and it's still only 41 mm

Wiki · Guide
Perpetual Calendar

The mechanical calendar that knows leap years automatically through 2100.

Exclusive · Guide
The WristBuzz watch wiki: 323 terms, one reference that actually answers the question

From Nivachron to Besançon, ISO 6425 to the Quartz Crisis. A working glossary built for people who read spec sheets for fun.

Dimensions · Guide
Case dimensions: Patek Philippe Perpetual Calendar 3940 (discontinued 2007) Patek Philippe

36 mm × 8.9 mm, lug 19 mm, Cal. 240 Q

Hands-On With The Three New Audemars Piguet Royal Oak Offshore Selfwinding Diver Watches In Steel Fratello
Audemars Piguet Royal Oak Offshore Selfwinding Mar 16, 2026

Hands-On With The Three New Audemars Piguet Royal Oak Offshore Selfwinding Diver Watches In Steel

The 150 Heritage pocket watch, the Neo Frame Jumping Hour, and the skeletonized Royal Oak Perpetual Calendar might have stolen most of the limelight when Audemars Piguet presented many novelties in January. Nevertheless, the pieces I was probably most curious to see and try on were a series of three tool watches. Well, these are […] Visit Hands-On With The Three New Audemars Piguet Royal Oak Offshore Selfwinding Diver Watches In Steel to read the full article.

Parmigiani Fleurier Introduces the Tonda PF Automatic 36mm Alta Rosa Worn & Wound
Parmigiani Fleurier Introduces Mar 11, 2026

Parmigiani Fleurier Introduces the Tonda PF Automatic 36mm Alta Rosa

As Watches & Wonders approaches, I find myself thinking back to last year’s fair and the various high and lowlights from that crop of releases. I’ve commented before about a pretty big highlight of last year’s show being Parmigiani Fleurier’s output, particularly their very strong Toric perpetual calendar. This is one of those watches that I rarely go a week without thinking about, like the woman in the white dress that Bernstein remembers from the ferry in Citizen Kane.  Anyway, Parmigiani is always a fun meeting at Watches & Wonders and my expectations are high after last year. In what I imagine will be their last release before the show next month, the brand has just introduced a new pink colorway to the Tonda PF line in 36mm. I’m not sure if we can consider this a preview of things to come (honestly, we probably can’t) but it’s a strong release nonetheless further bolsters the Tonda PF platform as an important player in the integrated bracelet sports watch landscape.  The new Tonda PF Automatic 36mm Alta Rosa brings a lighter dial color to the steel version of the 36mm Tonda PF for the first time – previously this watch had been available in blue and two shades of gray. Pink dials of course are often associated with watches targeted toward a female clientele, but hopefully the greater watch collecting community has moved beyond these types of prohibitive norms around gender and watch preferences. This is a really attractive color that can be worn by a...

A Wishlist for Watches & Wonders 2026 SJX Watches
Patek Philippe Grand Seiko Mar 9, 2026

A Wishlist for Watches & Wonders 2026

Each year I find it surprisingly difficult to crystalise what I want to see from Watches & Wonders – perhaps I find it hard to hope for things I know will never come. Sometimes dreams aren’t logistically possible. For example, a compact Spring Drive chronograph probably isn’t reasonable given Grand Seiko already has its hands full scaling production of another new Spring Drive movement. At other times, imagination is bound by brand strategy: Cartier could easily steal the show with a quartz Crash Must priced along the same lines as a Tank Must – but never will. But I believe that the following watches, which I’d like to see from Patek Philippe, Grand Seiko and Credor, and Tudor are plausible enough to hope for. The following images were created without the use of generative AI. Patek Philippe In 2023, Patek Philippe launched the ref. 5316/50P, a minute repeating tourbillon with retrograde perpetual calendar and smoked sapphire dial. It remains among the brand’s best complicated offerings, other than the ref. 6301p, at least in my view. Last year Patek Philippe followed up with the ref. 6159G, which featured a smoked sapphire dial and the same perpetual calendar on a more pedestrian base movement. But if there is one reference more deserving of the smoked sapphire treatment than any other, it is the ref. 5236p in-line perpetual calendar, as imagined below in platinum. In 2021, Patek Philippe revived the historic in-line perpetual calendar, which is strongly asso...

SJX Podcast: Audemars Piguet Thinks Beyond the Royal Oak SJX Watches
Audemars Piguet Thinks Beyond Feb 16, 2026

SJX Podcast: Audemars Piguet Thinks Beyond the Royal Oak

Recorded shortly after Brandon’s return from Audemars Piguet’s launch event in Switzerland, Episode 28 of the SJX Podcast provides analysis of all the brand’s new releases, including the Neo Frame Jumping Hour, the 150 Heritage pocket watch, the upgraded Royal Oak Chronograph 38 mm and its new in-house movement, and the latest open-worked perpetual calendar, which works equally well in Code 11.59 and Royal Oak guise. The conversation also touches on the internal reorganisation at AP that saw the creation of a multi-disciplinary fabrication laboratory dubbed the ‘Fab Lab.’ Listen now on Apple Podcasts, Spotify, and YouTube.  

Hands On: Audemars Piguet Royal Oak Chronograph 38 mm SJX Watches
Audemars Piguet Royal Oak Chronograph 38 Feb 13, 2026

Hands On: Audemars Piguet Royal Oak Chronograph 38 mm

One of the longest tenured models in the Audemars Piguet (AP) catalogue, the Royal Oak Selfwinding Chronograph 38 mm has been upgraded with a new manufacture calibre and sapphire case back for the first time, while only slightly tweaking the iconic design and price tag. Inside the new ref. 26450 is the cal. 6401 that incorporates with welcome quality-of-life improvements such as a longer power reserve, higher beat rate, and instantaneous date. The new movement accomplishes all of this without significant tradeoffs in size, but it arguably falls somewhat short in aesthetics. Minor shortcomings aside, the modestly sized Royal Oak Chronograph is a strong offering that enters the field at the top of its class. Initial thoughts In the same fashion as last year’s updated Royal Oak Perpetual Calendar, the new 38 mm Royal Oak Chronograph takes an evolutionary, rather than revolutionary, step forward, being essentially the same watch, only better. AP clearly knows better than to mess with a winning formula, but the brand also faced challenges, both in manufacturing and customer experience, that came with a nearly four-decade-old movement platform, sourced from Swatch Group no less. The changes are slight, even insignificant at first glance, but are the sort things that come to be appreciated with long-term ownership, especially within a smaller collection where increases in power reserve and performance are most noticeable. It even looks slightly better – the dial is less cram...

Audemars Piguet’s Latest Gen Perpetual Open-Worked or All-Ceramic SJX Watches
Audemars Piguet s Latest Gen Perpetual Feb 4, 2026

Audemars Piguet’s Latest Gen Perpetual Open-Worked or All-Ceramic

Audemars Piguet (AP) debuts a trio of new perpetuals calendars, led by the first open-worked version of brand’s cutting edge perpetual calendar launched last year with the skeleton cal. 7139 inside the Code 11.59 and Royal Oak. And rounding out the trio is the first all-ceramic Royal Oak Perpetual Calendar powered by the cal. 7138. Initial Thoughts The open-worked version of AP’s latest-generation perpetual calendar movement arguably does most justice to a clever movement that is one of the most notable such movements on the market. While there was little visual difference between solid-dial versions of AP’s new perpetual calendars and the preceding versions, the open-worked examples are less similar, at least up close, as the perpetual calendar works are so clearly different. The new open-work dial givers owners a look at what is going on under the hood as they adjust the calendar, which I see as a significant value add given the unusual and innovative mechanics. While AP could have been more daring, the last year’s crop of Royal Oak Perpetuals were good looking watches. The new pair, in both Code 11.59 and Royal Oak formats, look nearly identical from an arms length to their predecessors. The open-worked models are mostly monochrome, the Code 11:59 is rhodium-plated white gold with a black ceramic mid-case while the Royal Oak is titanium with polished Palladium 500 bulk-metallic glass (BMG) accents and rose gold dial furniture. Neither break new ground for the b...

Introducing - A Duo of Audemars Piguet´s Openworked Perpetual Calendars, Powered by the Latest Calibre 7139 Monochrome
Audemars Piguet ´s Openworked Perpetual Calendars Feb 3, 2026

Introducing - A Duo of Audemars Piguet´s Openworked Perpetual Calendars, Powered by the Latest Calibre 7139

A perpetual calendar is a complication very much dear to Audemars Piguet. Since the mid-20th century, the manufacture in Le Brassus has offered many variations on how this “celestial” mechanism could be presented, displayed and used. From the world’s first leap-year perpetual calendar wristwatch in 1955, to the ultra-thin automatic QPs of the late 1970s, […]

Hands On: Vacheron Constantin’s Overseas Tourbillon Titanium Red Dial SJX Watches
Vacheron Constantin s Overseas Tourbillon Titanium Feb 3, 2026

Hands On: Vacheron Constantin’s Overseas Tourbillon Titanium Red Dial

Vacheron Constantin’s latest Overseas Tourbillon pairs a titanium case with a deep red dial, recalling last year’s perpetual calendar, showcasing the cal. 2160 with peripheral rotor, refined finishing, and a slow beating one minute tourbillon. It represents the finest of industrial fine watchmaking with high-end construction inside and out. Initial Thoughts Last August Vacheron Constantin launched a pair of new Overseas Perpetual Calendars, one in burgundy and the other pink-on-pink. I felt the “deep red” dial – as Vacheron Constantin calls it – works particularly well against the white gold case, and the light blue accents were a nice touch. Nothing has changed on that front, the colour pallette looks just as good now as it did then, but is now lighter, thanks to the titanium case, and equipped more impressive movement. While the Overseas Perpetual’s movement somewhat lags behind its competition, the Overseas Tourbillon has a more competitive calibre, which holds its own against the Royal Oak Tourbillons, and wins by default against the non-existent Nautilus Tourbillon. That said, it is hardly a value within its segment, with estimated pricing comparable to Audemars Piguet’s blue-chip Royal Oak Tourbillons, though that is more than fair when you put aside brand caché and focus purely on the product. Case and Bracelet The Overseas case is well made and well finished by any standard, though not quite as complex as its counterparts from Audemars Piguet and P...

Fratello’s Top 5 Favorite Recent Audemars Piguet Releases Fratello
Audemars Piguet Releases Jan 30, 2026

Fratello’s Top 5 Favorite Recent Audemars Piguet Releases

At the beginning of every year, Audemars Piguet graces us with a series of novelties. Last year was a big one for Audemars Piguet, with the unveiling of some brilliant new releases to mark its 150th anniversary. Among them were the new Royal Oak Perpetual Calendar and the Royal Oak Chronograph. These two watches introduced […] Visit Fratello’s Top 5 Favorite Recent Audemars Piguet Releases to read the full article.

Hands On: Breguet Equation of Time Pocket Watch No. 2492 SJX Watches
Breguet Equation Jan 12, 2026

Hands On: Breguet Equation of Time Pocket Watch No. 2492

A rare Breguet pocket watch with retrograde perpetual calendar and equation of time illustrates the evolution of the house from its founder’s era to the early 20th century, blending historical motifs with modern concessions. Made in 1932, Breguet No. 2492 is one of just four known examples from a series of equation of time movements produced over nearly five decades by the legendary workshops of Victorin Piguet. In short, it’s a watch with one foot in the 19th century and one in the early 20th. The transitional nature of the watch evidently resonated with collectors, as the watch recently sold for CHF241,300 at Phillips’ Geneva auction in November, some 20% above its high estimate. Context It might be surprising, but Abraham-Louis Breguet’s unexpected death in 1823 had no immediate effect on the firm’s output. The firm produced well over a hundred watches each year, which required a staff of skilled workers, as well as A.-L. Breguet’s family, who understood what a Breguet watch was, and could build one without being managed by the man himself. However, with the old guard’s retirement, and general decline of Parisian watchmaking, things slowly changed. After the Breguet family sold the firm in the late 19th century, turning instead to the more lucrative business of aviation, the firm’s output strayed from A.-L. Breguet’s vision, abandoning Breguet’s signature design language for a medley of styles catering to specific markets. During this time, the brand...

Complicated Collectors: Seth Atwood SJX Watches
Patek Philippe ref 871 made Jan 5, 2026

Complicated Collectors: Seth Atwood

In the late 1970s, anyone serious about horology would eventually find themselves in Rockford, Illinois, about 90 miles west of Chicago. Visitors stayed in a hotel near a motorway that happened to be home to many of the world’s greatest clocks and watches. The collection of Seth Atwood sat below the everyday hum: Roman sundials beside Islamic astrolabes; marine chronometers alongside French regulators; English pocket watches paired with American factory movements; and, at the far end, atomic clocks. Rockford was a town that built machine tools and industrial equipment, so the hotel naturally served business travellers and convention attendees. But among them were watchmakers who flew in from Europe and Asia to see mechanisms they couldn’t examine anywhere else. For nearly three decades, one man’s vision put Rockford on the horological map. The 1972 secular true perpetual calendar Patek Philippe ref. 871, made for Seth G. Atwood. Image – Christies/collage Rockford native Seth Glanville Atwood was born in 1917, into a world of industrial logic. His father had started the Atwood Vacuum Machine Company a year earlier, its first product a simple spring-loaded bumper that kept car doors from rattling. Detroit needed millions of them, and the company grew from there, supplying window regulators, door hardware, and other practical parts in volume. Seth grew up around engineers and production managers who solved problems with their hands. After Stanford, Harvard Business Sc...

SJX Podcast: Best of 2025 - Complications SJX Watches
Vacheron Constantin s 270th Dec 26, 2025

SJX Podcast: Best of 2025 - Complications

Episode 22 of the SJX Podcast looks back at the complicated watches that emerged in 2025, a banner year that saw major brands deliver ambitious and record-setting complications. Several anniversaries, including Vacheron Constantin’s 270th and Audemars Piguet’s 150th, resulted in inspired releases. Big brands delivered big hits, from Lange’s black enamel minute repeater perpetual calendar to Blancpain’s Grande Double Sonnerie, which feature a four-note melody composed by Kiss drummer Eric Singer. For its part, Chopard finally gave its sapphire gongs the platform they always deserved with the Grand Strike, the brand’s first-ever grande sonnerie. And while Audemars Piguet’s big anniversary was headlined by the RD#5, the brand’s crown-operated perpetual calendar was another important addition to the field of complications this year. Listen on Apple Podcasts, Spotify, and Youtube.  

Exhibition Dedicated to Miniaturisation at AP House Singapore SJX Watches
Audemars Piguet s smallest Dec 17, 2025

Exhibition Dedicated to Miniaturisation at AP House Singapore

AP House Singapore is staging its first exhibition, making full use of the expansive space inside Singapore’s iconic colonial-era Raffles Hotel. 150 Years of Refined Elegance is a showcase of miniaturisation, covering Audemars Piguet’s smallest and thinnest movements, including an 18 mm-wide minute repeating calibre from the late 19th century. Taking place in the basement of the “house”, the exhibition starts with watches from the 1920s and ends in the current day that includes the Royal Oak Mini and the recently launched 38 mm perpetual calendar models. The Royal Oak Mini in “Frosted” gold Although not described as such, the exhibition naturally focuses a great deal on ladies’ watches, one of the recent themes of AP’s marketing. Unsurprisingly, one of the prominent figures in the exhibition is Jacqueline Dimier, chief designer at AP from 1975 to 1999 who conceived of the 29 mm Royal Oak for ladies shortly after the launch of the original “Jumbo” ref. 5402ST in 1972. Exhibition details The exhibition is open daily from 11 am to 8 pm and takes place at AP House Singapore located in the Raffles Hotel Singapore. Entry is free but registration is required; visits can be scheduled at Audemarspiguet.com.

First Look - Time+Tide x Frederique Constant Highlife Moonphase Manufacture Onyx Moon Monochrome
Frederique Constant Highlife Moonphase Manufacture Onyx Dec 11, 2025

First Look - Time+Tide x Frederique Constant Highlife Moonphase Manufacture Onyx Moon

frederiqueconstant.timeandtidewatches.comFounded in 1988, Frederique Constant has gone from strength to strength with its policy of high-quality watches at affordable prices. Far from an empty catchphrase, the brand’s “accessible luxury” slogan materialised with the release of a perpetual calendar, followed by a tourbillon and a QP in steel, all with unbelievably restrained price tags. In 2020, […]

Complicated Collectors: James Ward Packard SJX Watches
Patek Philippe had just completed movement Dec 9, 2025

Complicated Collectors: James Ward Packard

On 27 April 1927 a nurse walked into a room at the Cleveland Clinic carrying a leather case. The patient was sixty-four, a section of skull removed, the ache of radiation still working behind his eyes. On the charts he appeared as James Ward Packard, co-founder of Packard Electric and Packard Motor Car Company. To the nurse he was a difficult case. To Geneva he remained the client for whom Patek Philippe had just completed movement number 198’023, an astronomical watch that had absorbed three years of calculation and bench work. James Ward Packard. Image – Lehigh University Photograph Collection Inside the case lay a carillon minute repeater on three gongs, coupled to a full perpetual calendar with moon phase, equation of time, and sunrise and sunset indications calculated for Warren, Ohio. On the reverse, a deep blue sky disk carried five hundred and twelve gold stars, turning at sidereal speed around a small Polaris. The sky above his birthplace had been compressed into a circle of lapis and gold, moving in his hands as it moved above the town where he had been born, built factories, endowed an engineering laboratory, and which he now understood lay beyond any realistic hope of return. Consolation held little appeal for him. Packard placed his trust in precision, in the ability to describe a situation so exactly that it became bearable. The watch answered a question he had circled since childhood: if the world always exceeds your grasp, can you still know, to the min...

Compact Proportions for the Vacheron Constantin Traditionnelle Perpetual SJX Watches
Vacheron Constantin Traditionnelle Perpetual Vacheron Con... Dec 8, 2025

Compact Proportions for the Vacheron Constantin Traditionnelle Perpetual

Vacheron Constantin caps a banner year with the Traditionnelle Perpetual Calendar Ultra-Thin, finally positioning its compact perpetual as a unisex proposition rather than a gem-set ladies’ exclusive. Building on the vintage-friendly 36.5 mm case size first seen in 2022, the latest references arrive in either white or pink gold, with the clean, unadorned versions taking centre stage as they broaden the landscape for classic perpetual calendars in genuinely compact sizes. Initial thoughts Some watches are good not because they are revolutionary, but simply because they combine several appealing traits in a single watch; the Traditionnelle Perpetual Calendar is a good example. The cal. 1120 QP movement has been around for decades, and since 2022 it has even had a home in this 36.5 mm Traditionnelle case, albeit only in gem-set models positioned as ladies watches. For the first time, this compact perpetual calendar is positioned as a unisex watch thanks to an unadorned case in either 18k white or pink gold. An additional gem-set reference joins the collection as well, but the standard model is the newsworthy article as it adds a meaningful option to the landscape of vintage-leaning perpetual calendars. Production has already commenced, and the pieces that the brand manages to make before year-end will be marked with the 270th anniversary emblem that has marked all of this year’s releases. This small detail denoting a subset of the production may prove to be a fun collecto...

In-Depth: The Mysterious Double-Movement Patek Philippe Pocket Watches SJX Watches
Patek Philippe Pocket Watches Sotheby’s upcoming Dec 6, 2025

In-Depth: The Mysterious Double-Movement Patek Philippe Pocket Watches

Sotheby’s upcoming auction in New York brings to light a pair of remarkable Patek Philippe pocket watches with double movements once owned by John Motley Morehead III (1870-1965), an American patron of the brand with exotic taste. Unknown even to Patek Philippe until now, the two watches each include a primary minute repeating base movement with a secondary movement under charismatic doré dials. Beyond their intrinsic rarity, the golden duo are significant from a historical perspective in offering a portal into early 20th-century American watch collecting, when interest began to shift from decorative to technical. The who A chemist who helped form Union Carbide, Morehead seems to have had a penchant for unusual, highly complicated watches. He also owned a triple complication with upside down “American” perpetual calendar, carillon minute repeater, and a double chronograph (as in, two separate chronographs) as well as a rattrapante but with only two seconds hands. The excellent research by Sotheby’s uncovered record of another of Morehead’s watches that was a carillon repeater with two sets of hands, like these watches, but powered by only one movement. Both double-movement watches going on the block at Sotheby’s have a primary movement with minute repeating on the back and a secondary simple movement on the front. The smaller of the two makes do with just a minute repeating base movement, while the larger watch also has a split-seconds chronograph with a minut...

Introducing - The Slim d’Hermès Quantième Perpétuel, now in Rose Gold and Brown Monochrome
Hermes Dec 5, 2025

Introducing - The Slim d’Hermès Quantième Perpétuel, now in Rose Gold and Brown

Hermès unveiled its Slim d’Hermès 10 years ago, a collection that showcases the brand’s keen appreciation for refined contemporary design with a distinctive twist. The perpetual calendar that was part of the original Slim d’Hermès range returns today in a luxurious rose gold case paired with a delectable chocolate-brown dial and the signature design elements […]

Audemars Piguet’s Intelligent Watch Winder Sets the Calendar SJX Watches
Audemars Piguet s Intelligent Watch Winder Nov 25, 2025

Audemars Piguet’s Intelligent Watch Winder Sets the Calendar

Audemars Piguet unveiled the unexpected at Dubai Watch Week: an intelligent watch winder created in collaboration with Dubai Future Labs. Designed specifically for the brand’s latest perpetual calendar calibre, the device uses computer vision, a motorised arm, and Bluetooth connectivity to wind the watch, read the dial, and set all calendar indications automatically. It’s a curious blend of haute horlogerie and consumer robotics. Initial thoughts Perpetual calendars have long bedeviled collectors and after-sales service departments alike. Often tedious to reset after non-use, they can break or bind if adjusted at the wrong time. In the past couple of decades, this problem has been largely solved by watchmakers like Dr. Ludwig Oechslin, Stephen McDonnell, Andreas Strehler, Greubel Forsey, F.P. Journe, and most recently by Audemars Piguet. Given that Audemars Piguet is among the names that have developed a fool-proof perpetual calendar, the intelligent watch winder seems like a solution in search of a problem. The choice of the launch platform is also puzzling. On one hand, I understand why Audemars Piguet would develop the winder for its new cal. 7138; it makes sense to promote the new product. But on the other hand, the box would be far more useful if it worked for the brand’s earlier generations of perpetual calendars, which are more liable to break from improper use and need to be adjusted using pushers in the case. There are also many more of them in circulation, ...

In-Depth: Blancpain Grande Double Sonnerie SJX Watches
Blancpain Grande Double Sonnerie Blancpain Nov 24, 2025

In-Depth: Blancpain Grande Double Sonnerie

Blancpain has just unveiled its most complex modern-day watch, the Grande Double Sonnerie, to mark its 190th anniversary. This CHF1.7 million grand complication signals Blancpain’s return to the highest tier of haute horlogerie. One of the most technically ambitious chiming wristwatches ever made, the Grande Double Sonnerie incorporates traditional complications: grande and petite sonnerie, minute repeater, flying tourbillon, and retrograde perpetual calendar, but also offers an unexpected twist with two distinct chiming melodies, a Westminster chime plus a a bespoke sequence composed for Blancpain by Eric Singer of rock band Kiss. Initial thoughts It has been some time since Blancpain unveiled a truly headline-grabbing complication. The manufacture made its name in this arena with the 1735 of 1991, but in the decades since, its output has leaned toward more conventional high-end offerings - perpetual calendars, tourbillons, carrousels, and chiming watches - while its commercial momentum has come largely from the Fifty Fathoms and Villeret triple calendar. The unexpected Grande Double Sonnerie is therefore a reminder of what Blancpain can do at the very top level of watchmaking. The Le Brassus-based manufacture tends to be overlooked when speaking of high horology today, but the Grande Double Sonnerie should remind enthusiasts how sure-footed Blancpain is in this regard. Even before considering the many complexities of the timepiece, the watch impresses from the fir...

Highlights: Complications on Bracelets at Christie’s Hong Kong SJX Watches
Patek Philippe Nov 24, 2025

Highlights: Complications on Bracelets at Christie’s Hong Kong

The uniform of high complications almost invariably includes a leather strap; a metal bracelet remains an uncommon pairing with, say, a grande sonnerie. Christie’s upcoming Hong Kong auction, however, brings an unexpected abundance of complicated watches on bracelets for collectors who prefer metal, including notable examples from Patek Philippe and A. Lange & Söhne. This season’s sale is anchored by two major private collections, most prominently the second part of The Chronicle Collection, the first half of which was dispersed earlier in the spring. The consignor began collecting in the 1990s, a fact reflected in the depth of neo-vintage highlights throughout the catalogue. Lot 2442 - Patek Philippe ref. 3448⁄8 with Possibly Unique Ruby Dial The Patek Philippe ref. 3448 was the first self-winding perpetual calendar produced in series. According to movement numbers, it is likely 586 were made in total - this lug-less example was one of the first made. Beyond its historical interest, the ref. 3448 is underpinned by one of – if not the – most beautiful automatic movements ever made: the cal. 27-460 Q. Looks aside, it was one of the most technically competent automatics of its era, with an overcoil hairspring, free-sprung balance, and bi-directional winding using a cam and pawl system. Atop this worthy base calibre, the ref. 3448 adds the iconic windows perpetual calendar by none other than Victorin Piguet. The ‘/8’ in ref. 3448/8 suffix denotes the style ...

Introducing: The One-Of-A-Kind Roger Dubuis Hommage “Sukoon Al-Layl”   Fratello
Roger Dubuis Hommage “Sukoon Al-Layl”   Nov 21, 2025

Introducing: The One-Of-A-Kind Roger Dubuis Hommage “Sukoon Al-Layl”  

After introducing a series of 28 Hommage La Placide biretrograde perpetual calendars last week, Roger Dubuis launches a second version of the tribute watch, debuting at Dubai Watch Week. The Roger Dubuis Hommage “Sukoon Al-Layl” is a unique piece, featuring a 38mm platinum case and again showcasing the characteristic and historic biretrograde perpetual calendar. The […] Visit Introducing: The One-Of-A-Kind Roger Dubuis Hommage “Sukoon Al-Layl”   to read the full article.

Introducing - The New De Bethune DB25 Perpetual Sky Monochrome
De Bethune DB25 Perpetual Sky Nov 19, 2025

Introducing - The New De Bethune DB25 Perpetual Sky

The De Bethune DB25 line has long served as the brand’s classical counterpoint, a collection where its most traditional complications are expressed through a very distinctive design. Since the first DB25QP appeared in 2011, the perpetual calendar complication has evolved through multiple iterations. Among the recent releases were the richly coloured green model with guilloché […]

Highlights: Magnificent Matched Sets at Phillips Hong Kong SJX Watches
Glashütte Original Nov 19, 2025

Highlights: Magnificent Matched Sets at Phillips Hong Kong

Matching sets are a motif of Phillips’ upcoming Hong Kong auction, with the most spectacular being the Concord Saratoga Splendour, a set of four minute repeating, high jewellery wristwatches representing the four precious stones – diamond, sapphire, ruby and emerald – each with a distinct movement made by Christophe Claret. Also on offer is a set of three watches from Glashütte Original with Meissen porcelain dials, and a Patek Philippe Pagoda quartet. Lot 857, a matching pair of Bovets depicting Hong Kong harbour by day and by night. Image – Phillips Such sets enjoyed popularity at the top end of the market during the 1980s and 1990s, often centred around the four precious coloured stones, diamonds, emeralds, rubies, and sapphires. Perhaps the ultimate example of the matched set is the most complicated Patek Philippe watch, the Calibre 89, that was originally launched as a set of four in yellow, rose, and white gold, and platinum. Unfortunately, many of these sets have since been split up. Can these three escape that fate? Lots 858 to 862 – Concord Saratoga Splendour Set Concord was one of a few brands that saw great, but ephemeral, success during the 1980s and 1990s, in the same vein as Gerald Genta, Ebel, and Corum. In 1995 Concord launched the Saratoga Exor, a minute repeating tourbillon with perpetual calendar and bimetallic thermometer, set with 15.85 carats of baguette diamonds. With a price tag of CHF2 million, it was probably the second most expensive w...

Bi-Retrograde’s Back: Roger Dubuis Hommage La Placide SJX Watches
Roger Dubuis Hommage La Placide Celebrating Nov 12, 2025

Bi-Retrograde’s Back: Roger Dubuis Hommage La Placide

Celebrating its 30th anniversary this year, Roger Dubuis (RD) revisits its earliest triumph with the Hommage La Placide, a 28-piece limited edition that reimagines the brand’s signature bi-retrograde perpetual calendar. Named for the late Dubuis’ childhood Boy Scouts nickname, the Placide celebrates the classical roots of the Geneva-based manufacture while honouring the design codes that first put RD on the map three decades ago. Faithful to the originals yet refined in execution, the Placide reaffirms the brand’s ability to merge mechanical ingenuity with expressive design - a reminder that beneath its modern flamboyance lies genuine horological pedigree. Initial thoughts Roger Dubuis today is best known for its over-the-top, modern design - skeletonised movements, sharp case lines, and a visual language that often borders on the theatrical. It’s a far cry from the brand’s origins three decades ago, when Dubuis himself was focused on classical watchmaking rooted in Genevan tradition. Paying tribute to those early creations, the Placide reimagines the bi-retrograde perpetual calendar that first established the horloger genevois 30 years ago. The bi-retrograde perpetual calendar was first conceived in the late 1980s, when Dubuis collaborated with Jean-Marc Wiederrecht to develop a novel perpetual calendar mechanism featuring twin retrograde indicators for Harry Winston. It was only in 1995, upon founding his own brand, that Dubuis introduced the complication ...

In-Depth: Patek Philippe Ref. 1518 in Stainless Steel SJX Watches
Patek Philippe Ref 1518 Nov 5, 2025

In-Depth: Patek Philippe Ref. 1518 in Stainless Steel

Many superlatives have been ascribed to what might be the most valuable watch this fall auction season – the Patek Philippe ref. 1518 in stainless steel. Headlining Phillips’ upcoming auction in Geneva, the steel ref. 1518 is paradoxically extraordinary and ordinary all at once. As the first serially-produced perpetual calendar-chronograph wristwatch, the ref. 1518 is already a landmark Patek Philippe wristwatch, one that spawned a lineage that includes the refs. 2499, 3970, and 5970. And then there’s the ref. 1518 in steel – only four are known. The steel ref. 1518 has rarity, historical importance, and an eight-figure value; but on the wrist, this “holy grail” is compact, lightweight, and monochromatic, discreetly low-key. At a diminutive 35 mm in diameter, the ref. 1518 is small by today’s standards. The watch doesn’t look like much on the wrist from across a room; in fact, it isn’t immediately obvious to a layperson (or even a casual watch enthusiast) that the watch is worth more than most houses and vintage Ferraris. Yet the ref. 1518 in steel is appealing for many intellectual reasons: extreme rarity, historical lineage of the perpetual calendar chronograph, even sheer value. This is a trophy in many senses. Historically, the ref. 1518 was important even in its time. It was once Patek Philippe’s most complicated regular production wristwatch, and the steel ref. 1518 was likely the most expensive steel Patek Philippe when it was in the catalogue. ...

Hands On: Vacheron Constantin Tribute to The Quest of Time SJX Watches
Vacheron Constantin Tribute Oct 29, 2025

Hands On: Vacheron Constantin Tribute to The Quest of Time

Vacheron Constantin (VC) marks its 270th anniversary this year in grand style with La Quête Du Temps, a monumental, multi-complication clock weighing over 150 kg. A little more wearable is the Métiers d’Art Tribute to The Quest of Time, also a 270th anniversary edition but in wristwatch format. Like many of VC’s high complicated watches, Tribute to the Quest of Time is a double-faced wristwatch. On the front is a double retrograde time display that’s either on demand or en passant, which takes the form of a human figure whose arms tell the time. Also on the front is a spherical moon phase, while the back is home to an astronomical display comprising a sky chart and sidereal day indicator. Initial thoughts Tribute to the Quest of Time is a big complicated watch, and it looks and feels the part. In terms of dimensions and feel, it reminds me a little of the Lange Repeater Perpetual Calendar that was also launched this year. Even though small watches are on trend now, complicated watches like this should be large. This succeeds in that respect, and feels good on the wrist. Despite the mechanical complexity, the time is easy to read, though it takes a moment to get used to the twin scales for the time. The symmetrical dial on the front is straightforward and legible. The dial is tinted sapphire and etched with the constellations in the night sky over Geneva on the day VC was established, September 17, 1755. This is not obvious at a distance but reveals itself up close...

Friends in Dry Places: MB&F; Marks 75 Years of Seddiqi SJX Watches
Casio n MB&F; has developed Oct 22, 2025

Friends in Dry Places: MB&F; Marks 75 Years of Seddiqi

MB&F; has generated a lot of attention this year with a number of new releases celebrating the brand’s own 20th anniversary. Today MB&F; celebrates the 75th anniversary of one of its early champions and long-time retail partners, Ahmed Seddiqi & Sons, one of the most influential retailers in the Middle East, best known for organising Dubai Watch Week. To mark the occasion, MB&F; has developed two new limited edition models of its groundbreaking perpetual calendar, the Legacy Machine Perpetual EVO, on a sporty rubber strap, and the Legacy Machine Perpetual Baguette Diamonds, which is the first LM Perpetual to feature a gem-set bezel. Both models wear the typical Legacy Machine (LM) look and feature a vibrant blue colour used once before for another Seddiqi collaboration. Each watch is extremely limited; the titanium EVO will be a limited edition of just seven pieces, while only five pieces will be made of the steel version with its baguette-set bezel. Initial thoughts It’s a big year for milestone anniversaries, which is a good thing for watch collectors who are unusually spoiled for choice. That’s especially true for clients of Seddiqi, who can choose between two appealing new variants of one of the most intellectually compelling perpetual calendars on the market. They say it’s good to have friends in high places, but evidently it’s also good to have friends in dry places. Speaking about MB&F;’s long-term relationship with Seddiqi, founder Maximilian Busser noted,...