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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

SJX Podcast: Second-Chance Watches SJX Watches
Vacheron Constantin Twin Beat Perpetual Calendar 4 days ago

SJX Podcast: Second-Chance Watches

The return of the Vacheron Constantin Twin Beat Perpetual Calendar got us thinking about other technically interesting watches that showed promise but never truly found their footing. In episode 47 of the SJX Podcast, SJX and Brandon discuss recent releases from Seiko, IWC, and Swatch before turning to candidates for a second chance, including the Audemars Piguet Jules Audemars AP Escapement, the TAG Heuer Monaco V4, and the elusive Breguet Hommage à Nicolas G. Hayek 7887. Listen now on Apple Podcasts, Spotify, and YouTube.  

Highlights: Phillips Geneva Watch Auction SJX Watches
Vacheron Constantin American 1921 Perpetual Calendar May 7, 2021

Highlights: Phillips Geneva Watch Auction

Kicking off the spring-season watch auctions, the upcoming Phillips sale in Geneva takes place over the weekend of May 8 and 9. Led by the Patek Philippe ref. 2523 cloisonné world time “Eurasia”, the 236-lot catalogue has clearly been curated to cater to the taste of contemporary collectors. We round up a few interesting lots from the sale, including a pair of obscure watches by famed independent watchmakers – the Harry Winston Opus 1 by F.P. Journe, and the Roger W. Smith Series 1 “Onely” for Theo Fennell. Perhaps as unusual, but this time from an establishment name, is the Vacheron Constantin American 1921 Perpetual Calendar. And then there’s the Patek Philippe Calatrava ref. 570 with a two-tone dial and Breguet numerals, which is simply gorgeous. The Geneva Watch Auction: XIII takes place on May 8 (for lots 1-130) and May 9 (lots 131-236). The full catalogue and registration for bidding are available online. Lots 57 and 89 – Cartier Tortue monopoussoir chronographs Enjoying a resurgent interest in its elegant but original designs, bringing to mind its 1990s heyday at auction, Cartier is now frequently encountered in watch auctions. And the two present examples of the Tortue are each interesting, but even more notable side by side in the same same. They are the same watch – the original from 1930 and the remake some seven decades on. Tortue, French for” turtle”, is a century-old design attributed to Cartier, having made its debut in 1912. It’s ...

Highlights: Phillips Geneva Watch Auction XII SJX Watches
Audemars Piguet perpetual calendar Nov 6, 2020

Highlights: Phillips Geneva Watch Auction XII

Taking place over two days – Friday, November 6 and Saturday, November 7 – The Geneva Watch Auction: XII at Phillips is the first sale of the fall auction season. A compact sale of under 180 lots, the auction comprises a diverse line up, ranging from the obviously notable – like a Cartier Crash in platinum and a unique Patek Philippe ref. 5020P – to the obscure but extremely interesting, like the postwar A. Lange & Söhne wristwatch made after the company had been nationalised by the Soviets, as well as a vintage Audemars Piguet perpetual calendar with a paradoxical brand-new but factory-original case. Here’s a look at handful of standouts from the sale. You’ll find the full catalogue, as well as online bidding, right here. Lot 31 – Patek Philippe Annual Calendar Regulator ref. 5235G Unlike many of the other watches in the auction, the ref. 5235G is neither rare nor complicated, or even especially valuable. But it is an under-appreciated gem in Patek Philippe’s line up. Lightly designed and full of unusual details – ranging from the brushed dial finish to the engraved logo at three – the ref. 5235 also boasts a distinctively-designed movement unique to this reference and found in no other model. This example of the ref. 5235 is in white gold, which was discontinued last year and replaced by the same in rose gold with a black dial. While the new version is far more striking, the almost monochromatic white gold version is deeply appealing in its simplici...

The SJX Christmas Wishlist SJX Watches
Vacheron Constantin Twin Beat Perpetual Calendar Dec 23, 2019

The SJX Christmas Wishlist

I rarely write “listicles” but the holidays are always a good excuse for one: a run through of the year’s wants. It’s a wish list of watches I desire, and in a handful of instance bought, and not about the most significant or notable watches (which will be published just before the year’s end). Surprisingly the list is a pretty short one, and heavier on affordable watches than top of the line ones. That’s perhaps reflective of both the state of the industry – often saturated and occasionally unimaginative – and the fact that I’ve seen quite a lot. That being said, sometimes it’s the simple and affordable that surprises, like the Tudor P01, or something from an expected corner, like the Chanel Monsieur Edition Noire. High hopes Even for a price-is-no-object list there are barely any must-haves. The list of candidates was long, but most were crossed out for one reason or another. That also in part reflects the fact that the more expensive a watch is, the higher the standards it should be held to. The Vacheron Constantin Twin Beat Perpetual Calendar, for instance, is exceptionally interesting and smartly conceived, in fact, it’s one of the year’s best watch in terms of mechanics, but the design is a bit of a let down. Even in a more affordable tier of complicated watches, the wants come with caveats. The Hermes L’Heure de la Lune is unconventional and poetic, typically Hermes in style. Though its face is elegant, the case profile is less so; it is a ...

SPOTTED! BY AG: Dispatch 8, May 2017 Time+Tide
Patek Philippe Perpetual Calendar 3940G Whilst May 14, 2017

SPOTTED! BY AG: Dispatch 8, May 2017

The past few months have been so crazy that we split last month’s dispatch into two. As Basel wrapped up, I headed back to the great city of London for round two. Apparently I wasn’t sick of looking at watches yet. Silas’s Patek Philippe Perpetual Calendar 3940G Whilst roaming the streets of Clerkenwell, I took the … ContinuedThe post SPOTTED! BY AG: Dispatch 8, May 2017 appeared first on Time+Tide Watches.

VIDEO: Why I love my watch - with RedBar founder Adam Craniotes Time+Tide
IWC Perpetual Calendar Feb 14, 2017

VIDEO: Why I love my watch - with RedBar founder Adam Craniotes

If you like watches (you do) and exist in a digital age (also affirmative) there’s a good chance you’ve encountered the garrulous Adam Craniotes – heck you might have even seen his tour of NYC. And if you’ve come across @Craniotes, you’ve probably heard the story of his IWC Perpetual Calendar, and how he had to … ContinuedThe post VIDEO: Why I love my watch – with RedBar founder Adam Craniotes appeared first on Time+Tide Watches.

In-Depth: IWC’s Pioneering ProSet Perpetual Calendar SJX Watches
IWC s Pioneering ProSet Perpetual Jul 21, 2026

In-Depth: IWC’s Pioneering ProSet Perpetual Calendar

IWC’s history is dotted with landmark innovations such as Albert Pellaton’s pawl winding system, Kurt Klaus’ famous perpetual calendar, and Richard Habring’s split-seconds chronograph module; the ProSet perpetual calendar system continues this legacy. This bidirectional perpetual calendar module made its debut earlier this year at Watches & Wonders inside the Big Pilot’s Watch Perpetual Calendar ProSet, and remains true to IWC’s identity as an engineer’s manufacture. A smaller Big Pilot QP The Big Pilot ProSet unveiled at Watches & Wonders blends the manufacture’s latest engineering feat with the beloved styling of the pilot’s watch. The ProSet system is currently only available inside the 42 mm Big Pilot. Powered by a downsized base calibre, the 42 mm ProSet is the first Big Pilot under 46 mm to include a perpetual calendar. IWC has a tweaked and scaled down the its signature Kurt Klaus module in the past for the 42 mm Portugieser and some Portofinos, but somehow it never made into the reduced Big Pilot collection. Unfortunately, these smaller watches lacked the now-iconic digital year display, and instead featured a subtler (but more forgettable) leap cycle aperture. The ProSet brings back the four-digit year display, making this watch almost indistinguishable from the original 46 mm version. Apart from some styling choices, the main difference in the displays is the lack of a power reserve indicator. The cal. 82665 inside is powered by a single mains...

Hands On: A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen” SJX Watches
Ming s Jul 16, 2026

Hands On: A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen”

A. Lange & Söhne’s flagship launch for the year, so far, is the Lange 1 Tourbillon Perpetual Calendar “Lumen”. It follows a familiar template, applying the desirable “Lumen” treatment to a complicated, top-of-the-line model. But unlike earlier Lumen editions, the Lange 1 Tourbillon Perpetual Calendar is more than a mere cosmetic makeover. The unique calendar display requires a more complex dial construction, and the movement has been reworked for visual impact. Even though the concept is predictable – and predictably pricey – the Lange 1 Tourbillon Perpetual Calendar “Lumen” is unexpectedly appealing. Initial thoughts This is stating the obvious, but the Lange 1 Tourbillon Perpetual Calendar “Lumen” is clearly the most appealing iteration of the most complicated Lange 1. Visually it is more striking in both light and darkness, with the new look also adding to the intricacy of the dial construction. And because Lange doesn’t do things in half measures when it comes to movements, the L225.1 inside this has been reworked by some margin to solve one of the shortcomings of the original model, a tourbillon that was barely visible. The original Lange 1 Tourbillon Perpetual Calendar was and still is the most complicated version of Lange’s iconic watch design. All perpetual calendar indicators were cleverly incorporated in the Lange 1’s distinctive yet sensible layout. Add to that a tourbillon visible only on the back meant there was a lot going on ins...

First Look - The New IWC Portugieser Yacht Club Perpetual Calendar 42 Monochrome
IWC Portugieser Yacht Club Perpetual Jul 2, 2026

First Look - The New IWC Portugieser Yacht Club Perpetual Calendar 42

Ever since Kurt Klaus developed his ingenious perpetual calendar mechanism in the early 1980s, the Schaffhausen-based manufacture has made one of watchmaking’s most sophisticated complications surprisingly easy to live with. Yet despite appearing across several generations of Portugieser, the perpetual calendar had never found its way into the collection’s sportiest member. Perhaps for a reason, […]

Hands-On With A. Lange & Sohne’s 1815 Rattrapante Perpetual Calendar Pink Gold WatchAdvice
A. Lange & Sohne s 1815 Rattrapante Perpetual Jun 29, 2026

Hands-On With A. Lange & Sohne’s 1815 Rattrapante Perpetual Calendar Pink Gold

A. Lange & Söhne’s 1815 Rattrapante Perpetual Calendar brings together high complications, vintage-inspired design and a stunning pink-gold dial in one deeply romantic expression of haute horlogerie! What We Love Traditional pocket watch inspired vintage case design Pink gold dial suits this model perfectly and captures it in the best light Two romantic high-complications of rattrapante and perpetual calendar are showcased beautifully What We Don’t No lume for low-light legibility The case thickness may be large for some This classic pocket-watch inspired design may not be practical for daily wear Overall Rating: 9.4 / 10 Value for Money: 9.5/10 Wearability: 9/10 Design: 9.5/10 Build Quality: 9.5/10 The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar is one of those timepieces that immediately reminds you why the Saxon manufacture is held in such high regard. It brings together so much of what makes German watchmaking special, but does so in a way that leaves you genuinely in awe. I recently did a video on this watch, sharing my thoughts on what makes it so special, and my opinion still has not changed: this is easily one of my top three favourite models from the brand. But enough of me drooling over it, let’s get into what makes this timepiece so remarkable. The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar was first introduced in 2013 as a milestone in Lange’s modern chronograph history. As the name suggests, the timepiece brings together a rat...

The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar Returns With A 70-Day Power Reserve Fratello
Vacheron Constantin Traditionnelle Twin Beat Perpetual Jun 27, 2026

The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar Returns With A 70-Day Power Reserve

Vacheron Constantin continues its quest to revolutionize the perpetual calendar complication with the 2026-upgraded Traditionnelle Twin Beat Perpetual Calendar. The revolutionary aspect here lies in its power reserve, which can last up to 70 days. This is not a novelty but a continuation of the efforts made for the 2019 GPHG Innovation Prize winner, which […] Visit The Vacheron Constantin Traditionnelle Twin Beat Perpetual Calendar Returns With A 70-Day Power Reserve to read the full article.

Vacheron Constantin Brings Back the Traditionelle Twin Beat Perpetual Calendar Worn & Wound
Vacheron Constantin Brings Back Jun 17, 2026

Vacheron Constantin Brings Back the Traditionelle Twin Beat Perpetual Calendar

What is the ultimate first world problem? I can think of a handful. There’s the classic notion that we just have too much content to scroll through, stream, and consume. As the Boss put it, there’s 57 channels and nothin’ on. As I sit here typing up this article on hot early summer day with my AC blasting, I’m realizing it’s getting cold enough in here that I might need to add a layer. Woe is me! Just a few weeks ago, I bought a new iPhone and quickly found that Apple Music hadn’t automatically moved over all of my locally downloaded tunes during the initial data transfer. I was pretty disappointed when I realized only the second half of Turn on the Bright Lights was available to me on a late night drive home over the weekend. I just want to hear “Obstacle 1”! These are all annoyances, for sure. But none of them truly compare to the King of First World Problems, which is very obviously not being able to keep your perpetual calendar sufficiently wound. I mean, have you tried to reset one of these things recently? It can be really frustrating. Plenty of brands, like IWC earlier this year, have made moves to make their perpetual calendar movements more forgiving when resetting. Gone are the days, hopefully, when jumping past the current year means an expensive trip back to the manufacture in Switzerland.  Vacheron Constantin has a slightly different solution, which is to enable your perpetual calendar to remain wound for weeks at a time by allowing the wearer...

Introducing: The Vacheron Constantin Traditionelle Twin Beat Perpetual Calendar Is Back Hodinkee
Vacheron Constantin Traditionelle Twin Beat Perpetual Jun 16, 2026

Introducing: The Vacheron Constantin Traditionelle Twin Beat Perpetual Calendar Is Back

What We Know Vacheron just brought back its incredibly unique Traditionelle Twin Beat Perpetual Calendar, and it's a welcome sight for dedicated collectors of the brand, along with general enthusiasts of unexpected yet innovative takes on complicated watchmaking. If you're not familiar with the original Traditionelle Twin Beat Perpetual Calendar, launched back in 2019, the watch offered an incredibly novel solution to a problem often found within perpetual calendar watches. Let's be honest, though the entire appeal and genius of the perpetual calendar is for someone wearing one watch all day, every day, for the whole year, watches like these are most often owned by those with a large collection to begin with. A weekend for a perpetual calendar in a watch box or drawer would mean that the complication would need to be set again after winding, and so Vacheron introduced this perpetual calendar with a whopping 65-day power reserve. To achieve this, rather than putting in an unfeasibly large mainspring in the barrel, the Traditionelle Twin Beat Perpetual Calendar lives up to its name by offering a new system that allows for switching between two beat rates for the watch—a contemporary high-beat 5Hz frequency with a 4-day power reserve for normal timekeeping during wear, but a much slower 1.2Hz mode with that prolonged power reserve for the "Standby" phase. The Caliber 3610QP comprises two separate gear trains for the two regulating systems, with a series of differentials tha...

First Look - Vacheron Constantin Injects Even More Power into its Traditionnelle Twin Beat Perpetual Calendar Monochrome
Vacheron Constantin Injects Even More Power Jun 16, 2026

First Look - Vacheron Constantin Injects Even More Power into its Traditionnelle Twin Beat Perpetual Calendar

First released in 2019, Vacheron Constantin’s Traditionnelle Twin Beat Perpetual Calendar marked a before and after in the sophisticated realm of QPs. While not the first watchmaker to feature dual frequencies, Vacheron’s Twin Beat broke new ground as the first movement allowing you to switch between the two regulating mechanisms, converting a gas guzzling complication […]

Sunday Morning Showdown: Mystery Complications - H. Moser & Cie. Endeavour Perpetual Calendar Concept Tantalum Vs. Parmigiani Fleurier Tonda PF Chronographe Mystérieux Fratello
Parmigiani Fleurier Tonda PF Chronographe Mystérieux May 10, 2026

Sunday Morning Showdown: Mystery Complications - H. Moser & Cie. Endeavour Perpetual Calendar Concept Tantalum Vs. Parmigiani Fleurier Tonda PF Chronographe Mystérieux

Another week is in the books, and the buzz from a surprisingly bold Watches and Wonders still lingers. Outside the major brands, the show delivered genuine innovation. Highlights ranged from Armin Strom’s on-demand 12:59-chiming minute repeater to Zenith’s practical and deeply satisfying Zenclasp for the Chronomaster Sport Skeleton. For week 19, we shift focus to […] Visit Sunday Morning Showdown: Mystery Complications — H. Moser & Cie. Endeavour Perpetual Calendar Concept Tantalum Vs. Parmigiani Fleurier Tonda PF Chronographe Mystérieux to read the full article.

Hands-On With The Patek Philippe Ref. 5236P-011 In-Line Perpetual Calendar With A New Warm Silver-Gray Dial Fratello
Patek Philippe Ref 5236P-011 In-Line Perpetual May 4, 2026

Hands-On With The Patek Philippe Ref. 5236P-011 In-Line Perpetual Calendar With A New Warm Silver-Gray Dial

History (almost) repeats itself. One of my favorite releases from Watches and Wonders 2021 was the Patek Philippe ref. 5236P-001 In-Line Perpetual Calendar. One of my favorite releases from this year’s edition is the Patek Philippe ref. 5236P-011 In-Line Perpetual Calendar. The difference is a single number and a different dial color. The complicated yet […] Visit Hands-On With The Patek Philippe Ref. 5236P-011 In-Line Perpetual Calendar With A New Warm Silver-Gray Dial to read the full article.

Sunday Morning Showdown: Jaeger-LeCoultre Master Control Chronometre Perpetual Calendar Vs. IWC Ingenieur Perpetual Calendar 41 Fratello
Jaeger-LeCoultre Master Control Chronometre Perpetual May 3, 2026

Sunday Morning Showdown: Jaeger-LeCoultre Master Control Chronometre Perpetual Calendar Vs. IWC Ingenieur Perpetual Calendar 41

Another week, another Sunday Morning Showdown. We hope you are enjoying some well-deserved time off and a good weekend breakfast. Lean back in your chair, folks, because we have a proper heavyweight bout scheduled for you! This week, we pit two stainless steel perpetual calendars with integrated bracelets and blue dials against each other. Thomas […] Visit Sunday Morning Showdown: Jaeger-LeCoultre Master Control Chronometre Perpetual Calendar Vs. IWC Ingenieur Perpetual Calendar 41 to read the full article.

Introducing: The H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum Fratello
H. Moser & Cie Endeavour Perpetual Apr 28, 2026

Introducing: The H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum

H. Moser & Cie. is a brand that I have often come back to. It fascinates me, but I have yet to be lucky enough to handle one of its watches in the metal. This brand, like IWC, is connected to the Swiss town of Schaffhausen. There’s something in the air there. I visited just […] Visit Introducing: The H. Moser & Cie Endeavour Perpetual Calendar Concept Tantalum to read the full article.

Introducing A Glow-In-The-Dark Watch: The IWC Big Pilot’s Watch Perpetual Calendar Ceralume Fratello
IWC Big Pilot’s Watch Perpetual Apr 16, 2026

Introducing A Glow-In-The-Dark Watch: The IWC Big Pilot’s Watch Perpetual Calendar Ceralume

You can never have enough lume, right? Well, I certainly enjoy my Chronoswiss Timemaster with its full-lume dial. But what about an even fuller-lume watch? Meet the completely lumed IWC Big Pilot’s Watch Perpetual Calendar Ceralume (IW505801). You might have seen a prototype, but now it’s time for a run of 250 watches in IWC’s […] Visit Introducing A Glow-In-The-Dark Watch: The IWC Big Pilot’s Watch Perpetual Calendar Ceralume to read the full article.

Introducing - H. Moser & Cie. Endeavour Perpetual Calendar Concept Tantalum Monochrome
H. Moser & Cie Endeavour Perpetual Apr 15, 2026

Introducing - H. Moser & Cie. Endeavour Perpetual Calendar Concept Tantalum

Anyone familiar with H. Moser & Cie.’s Concept watches knows that ‘concept’, in the brand’s vocabulary, means extreme minimalism with dials purged of logos, indices and numerals. Perpetual calendar complications are typically burdened with sub-dials, a profusion of hands and copious information; however, Moser’s transformation of the perpetual calendar into a Concept watch yields one of the […]

Watches & Wonders: Roger Dubuis Debuts an All-New Perpetual Calendar Caliber Alongside a Sporty Version of its Excalibur Biretrograde Calendar Worn & Wound
Patek Philippe Apr 14, 2026

Watches & Wonders: Roger Dubuis Debuts an All-New Perpetual Calendar Caliber Alongside a Sporty Version of its Excalibur Biretrograde Calendar

Roger Dubuis’ latest releases at Watches and Wonders are steeped in the brand’s history. For the occasion, the maison introduces two complicated pieces – a perpetual calendar and day-date calendar – each in the brand’s patented biretrograde display. Prior to founding his namesake maison, Mr. Roger Dubuis was a prolific watchmaker for several brands, from Patek Philippe to Longines. One such project came in 1989 when he and fellow watchmaker Jean-Marc Wiederrecht collaboratively pioneered and patented their famous biretrograde display, which reworked the traditional concept and made it more streamlined. This approach eased assembly and improved the stability and readability of the hands on the ecliptic retrograde counters. Soon after, the pair engineered a double retrograde perpetual calendar module, which was notably used in a timepiece for Harry Winston. A year after the brand’s official founding, Roger Dubuis introduced its own biretrograde display timepiece and later the perpetual calendar complication in its iconic Sympathie and Homage collections. Today, we see the next evolution of these concepts highlighted in a rather modestly sized 40mm version of its Excalibur line. The Excalibur Biretrograde Perpetual Calendar is notably powered by an entirely new movement: the RD850. Here, the maison builds upon the work set forth four decades ago with a self-winding caliber built from 435 components in-house at Roger Dubuis’ Geneva manufacture. A key functional i...

First Look - The New A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar Lumen Monochrome
A. Lange & Sohne Apr 14, 2026

First Look - The New A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar Lumen

A. Lange & Söhne‘s main novelty for 2026 is the impressive Lange 1 Tourbillon Perpetual Calendar Lumen, a 50-piece edition that weds the brand’s two complications to its pioneering Lumen technology for the first time. While the iconic Lange 1 retains its off-centred configuration, core functions and proportions, the watch is powered by a new […]