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Results for Tourbillon

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Flying Tourbillon

Alfred Helwig's 1920 tourbillon variant with no upper bridge; the entire cage is visible.
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Tourbillon

Breguet's 1801 rotating-cage escapement, explained.
Review: the Zelos Comet 39 ‘MOP’ Worn & Wound
Nov 17, 2025

Review: the Zelos Comet 39 ‘MOP’

Singaporean independent brand Zelos is known for their colorful and texture-forward dials that strike a nice balance between affordability and unique design. Each new creation seems to drive their overall image forward in eclectic ways that keep the brand from fitting too rigidly into any one box. While Zelos is often associated with their sub $1,000 tool watches, they have made spectacular forays into the space of haute complications and uncommon materials in recent years. Their release of the Mirage in 2020, a watch that featured a tourbillon at a competitive $11,000 pricepoint, and their work using tantalum as a case material, is proof that the brand is committed to stretching the imagination regarding what a microbrand is capable of.  Their newest release, the Comet 39, joins the ranks of the recent trend of stone dials we’ve seen permeating the hobby in the past few years. Since the trend is fairly new, my experience with stone dials is limited, and I was looking forward to getting hands-on with this piece. I was lucky to be able to pick up this review watch in-person at the Windup Watch Fair in New York City a few weeks ago while I was visiting. Complementary sizing by David Lane Design at Windup allowed me to wear the watch around the city during my trip and get a sense for how it moved with me during high-volume days. The Mother of Pearl (MOP) edition is one in a series of three Comet watches in the brand’s new Comet 39 line, all of which are crafted with vari...

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Highlights: Independent Watchmaking at Phillips Hong Kong Fall 2025 SJX Watches
Louis Vuitton resurrected Nov 17, 2025

Highlights: Independent Watchmaking at Phillips Hong Kong Fall 2025

A window into the early days of contemporary independent watchmaking, the upcoming Phillips Hong Kong auction offers an unexpectedly diverse line-up, including a single-owner collection of 1990s watches. The indie selection ranges from Daniel Roth in the late 1980s to Philippe Dufour’s influential finissage. And the historically-minded enthusiast will also notice the catalog includes work from an era when star independent watchmakers, such as Louis Cottier, counted brands as their clients. Lot 982 – Daniel Roth Ref. 2187 Tourbillon “Double Face” After helping establish Breguet as a Swiss watchmaker, Daniel Roth established his eponymous brand in 1988 with his inaugural model being the ref. C187/2187, a tourbillon wristwatch with two faces. The front indicates the time and showcases the tourbillon at six o’clock, while the reverse is home to the date and power reserve indicator. Despite the strikingly exotic look for the time – remember this was the late 1980s – the tourbillon actually employs the familiar Lemania tourbillon calibre, unsurprising given that Mr Roth helped with the construction of the calibre while he was at Breguet. While the bones are Lemania, the aesthetic is uniquely Daniel Roth. The grey dial has a pinstripe guilloche while the three-armed seconds hand indicates the time on a three-layer scale. Just last year, Louis Vuitton resurrected the Daniel Roth marque with a new generation of the iconic tourbillon powered by an all-new calibre deve...

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Highlights: Pocket Watches at Phillips Hong Kong SJX Watches
Patek Philippe Nov 14, 2025

Highlights: Pocket Watches at Phillips Hong Kong

The upcoming Phillips Hong Kong auction includes a diverse and spectacular selection of pocket watches spanning two centuries. From early 19th‑century enamel masterpieces crafted for the Chinese market to 20th‑century tourbillon chronometers that triumphed at observatory trials, the lots on offer demonstrate the technical and aesthetic evolution of the watch over the last two hundred years. Lot 1086 – S. Smith and Son No. 1899-1 Tourbillon Chronometer with Kew Class A Certificate Albert Pellaton-Favre constructed the first of two tourbillons in the auction, which was later retailed by S. Smith & Son. The other, by Patek Philippe, is the work of his son, Jämes-César Pellaton. Both are depicted in Reinhard Meis’s famous Das Tourbillon. The English and Swiss disagreed on what constitutes a chronometer. The English argued that a chronometer must use a chronometer (detent) escapement, while the Swiss considered any watch a chronometer if performed well enough – which the English would call a “Half-Chronometer”. As the Willis enamel dial boasts, the first is a chronometer by both English and Swiss reckoning, with a spring detent escapement and “Especially Good” certificate from the Kew Observatory. While S. Smith and Son retailed quite a number of tourbillons, including others with detent escapements, most were sourced locally, while the present lot uses a Swiss movement. The London branch of Baume Frères ordered six tourbillon chronometers from Albert Pella...

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Introducing – Roger Dubuis is Back to Classic Designs, with the new Hommage La Placide Perpetual Calendar Monochrome
Roger Dubuis Nov 12, 2025

Introducing – Roger Dubuis is Back to Classic Designs, with the new Hommage La Placide Perpetual Calendar

For many years, you’ve probably known Roger Dubuis for its bold, angular watches with openworked movements and tourbillon(s), most of them under the Excalibur collection. And while most are technically very impressive, this isn’t exactly the style that Mister Dubuis defined when he created the brand in the mid-1990s. The earliest watches, known as the […]

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Report: Geneva Fall Auctions 2025 SJX Watches
Patek Philippe ref 3424/1 “Gilbert Albert” Nov 11, 2025

Report: Geneva Fall Auctions 2025

The just-concluded Geneva auction season was mostly a plateau with several striking peaks and a few lows. The peaks were marked by desirable timepieces that outperformed by far, yet shared little in common with one another in terms of style or period. The peaks ranged from multiple F.P. Journe watches to a diamond-set Patek Philippe ref. 3424/1 “Gilbert Albert” to the Breguet four-minute tourbillon pocket watch from 1809 to the Instagram-ready Patek Philippe ref. 3970 in “salmon” with Breguet numerals. Despite such diverse taste, the small pool of bidders seemed to have one thing in common: they were all focused on a “trophy” watch. The Christie’s saleroom in the Four Seasons. Image – Christie’s With few exceptions, contemporary watches from mainstream brands were cold, while vintage watches were mostly lukewarm – but as always there were exceptions. An Patek Philippe ref. 570 with a black dial signed “E. Gubelin” sold for an impressive CHF419,100 including fees, or US$523,000, at Christie’s, while Phillips sold a Rolex Daytona ref. 6263 “RCO” (or “Oyster Sotto”) for an equally impressive CHF1.39 million, or US$1.73 million – close to the historical peak for the model. A vintage watch that surprised on the downside was the 1927 Rolex Oyster worn by Mercedes Gleitze when she became the first woman to swim the English Channel in 1927 – a landmark in Rolex lore. Though it sold for CHF1.39 million, or US$1.74 million, there was just one bi...

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J.P. Morgan Jr.’s Watches Emerge, Including First-Ever Cartier Mystery Clock SJX Watches
Cartier Mystery Clock Philips’ upcoming Nov 4, 2025

J.P. Morgan Jr.’s Watches Emerge, Including First-Ever Cartier Mystery Clock

Philips’ upcoming sale in Geneva from November 8-9 includes two timepieces owned by John Pierpont Morgan Jr., widely known as Jack Morgan. Heir to a financial empire, Morgan was the first chairman of what is now JPMorganChase, and more pertinently, inherited the sensibilities of his father, J. Pierpont Morgan Sr., in collecting and gifting. Morgan Sr. was a collector on a grand scale, and across categories. The catalogues of his collections spanned volumes – two books for Chinese porcelain, four for miniatures, and a single volume for his watches and clocks, albeit a 350-page tome that weighed almost 6 kg in its original edition. The penchant for collecting was passed on to Jack Morgan, who evidently had sharp tastes in watches and clocks. The two timepieces going on the block at Phillips illustrate that. One is the first-ever Cartier mystery clock, a Model A sold to Morgan in 1913. And the other is one example of the “Morgan caliper”,  a series of minute repeating, split-second chronograph, tourbillon pocket watches made for J.P. Morgan & Co., which were gifted by Morgan Sr. and Jack Morgan to the firm’s partners and important associates. Titans of finance In 1913, Louisiana senator Arsène Pujo formed the Pujo Committee to investigate the growing concentration of financial power in the United States. The committee found that an inner circle of partners at J.P. Morgan & Co. and its two largest proxies held 341 directorship positions across the boards of 34 majo...

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Introducing: The Gravity-Defying Zenith Defy Zero G Sapphire - 46mm Of Transparent Or Blue Sapphire Goodness Fratello
Zenith Defy Zero G Sapphire Oct 24, 2025

Introducing: The Gravity-Defying Zenith Defy Zero G Sapphire - 46mm Of Transparent Or Blue Sapphire Goodness

Let me ask you a simple question: if you had to choose between a tourbillon and a Gravity Control System, which would you pick? Well, then again, you might require more information before answering my question since the system I mentioned might not be a household name. Therefore, let me introduce the gravity-defying Zenith Defy […] Visit Introducing: The Gravity-Defying Zenith Defy Zero G Sapphire - 46mm Of Transparent Or Blue Sapphire Goodness to read the full article.

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Breguet Reverses Polarity with the Classique 7225 SJX Watches
Breguet Reverses Polarity Oct 23, 2025

Breguet Reverses Polarity with the Classique 7225

Breguet’s 250th anniversary got off to a good start and the momentum continues with the Classique 7225, another take on one of the brand’s most inventive movements. Guaranteed to run within an impressive one second a day, the Classique 7225 contains the cal. 74SC that boasts a high-frequency balance wheel running at an uncommonly rapid 10 Hz, or 72,000 beats per hour. To achieve that without overwhelming friction, the balance pivot is magnetic, allowing it to “float” as it oscillates. The 10 Hz balance was launched some 15 years ago, but its predecessor, the Classique 7727, did not enjoy particularly attractive aesthetics. The Classique 7225 solves the problem with a striking dial modelled on an important series of tourbillon pocket watches from the early 19th century. To accommodate the dial layout, the cal. 74SC incorporates an additional constant seconds that can be instantaneously reset. Notably, the 7225 is not a limited edition, unlike its compatriot, the Classique 7235 launched at the same time. Initial thoughts The 7225 shows that Breguet’s revival is certainly well underway, stewarded by Gregory Kissling, who has been in the top job for slightly over a year. The 7225 isn’t a major revamp of the 7727, but it is far, far more appealing watch. The magnetic-pivot movement was ingenious at launch, and still is, but the 7727 was under-designed and over-logo’ed. With the 7225, Breguet’s ultra-chronometer finally has visual and tactile appeal. And it keeps...

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Introducing – The new Czapek Antarctique Plique-a-Jour Enamel Monochrome
Czapek Antarctique Plique-a-Jour Enamel Czapek Oct 15, 2025

Introducing – The new Czapek Antarctique Plique-a-Jour Enamel

Czapek unveils the second special series created to celebrate the 10th anniversary of the brand’s rebirth in 2015. Following the Antarctique Tourbillon introduced in April, this new release presents an exceptional interpretation of the maison’s integrated-bracelet sports watch, distinguished by a plique-à-jour enamel dial.  Plique-à-jour is an intricate and delicate enamelling technique distinguished by its […]

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Introducing – New GMT and Gold editions of the TAG Heuer Carrera Extreme Sport Monochrome
TAG Heuer Carrera Extreme Sport Oct 14, 2025

Introducing – New GMT and Gold editions of the TAG Heuer Carrera Extreme Sport

The Carrera Extreme Sport series by TAG Heuer returns for 2025 with three new references: a travel-ready Twin-Time chronograph that merges a true GMT into the openworked Extreme Sport template; a rose-gold chronograph that disrupts the collection’s tool aesthetic using precious metal; and a Tourbillon Extreme Sport F1 75th Anniversary limited edition that celebrates seven-and-a-half […]

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SJX Podcast: AP Reinvents the Chronograph, Big Brands vs. Indies, and VC CEO SJX Watches
Vacheron Constantin Oct 5, 2025

SJX Podcast: AP Reinvents the Chronograph, Big Brands vs. Indies, and VC CEO

On episode 12 of the SJX Podcast, SJX shares his hands-on impressions of the Audemars Piguet Royal Oak “Jumbo” Extra-Thin Selfwinding Flying Tourbillon Chronograph RD#5, the fifth and final watch from the brand’s R&D; skunkworks. We also address listener questions about the (great) leadership at Vacheron Constantin, and whether brands like A. Lange & Söhne and Vacheron Constantin can gain market share from independents – why not? Listen on Apple Podcasts, Spotify, and Youtube.  

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Audemars Piguet’s Royal Oak Chronograph RD#5, a Thin Watch with Tall Ambitions SJX Watches
Audemars Piguet s Royal Oak Chronograph Oct 1, 2025

Audemars Piguet’s Royal Oak Chronograph RD#5, a Thin Watch with Tall Ambitions

Audemars Piguet (AP) reinvents the chronograph with the Royal Oak “Jumbo” Extra-Thin Selfwinding Flying Tourbillon Chronograph RD#5. Inside the titanium and palladium BMG case – standing just 8.1 mm high – is the cal. 8100, a new take on the chronograph mechanism that employs spring-loaded racks to gather and store energy. The RD#5 is the fifth and final instalment in the “RD” series of watches that underline the impressive technical know-how of AP, particularly its Le Locle manufacture that evolved from Renaud & Papi (APRP). Conceived with the goal of creating a chronograph that is extra slim and easy on the fingers, the RD#5 boasts exceptionally light and comfortable pusher feel, an instantaneously-jumping minutes counter, and an exceptionally slim profile (thanks in part to peripheral winding), all while remaining amenable to industrial-haute horlogerie manufacturing. It’s one of the most technically interesting debuts of 2025, and we explain AP’s new take on the chronograph in detail below. The cal. 8100 with its unorthodox chronograph and peripheral rotor Initial thoughts Outwardly just another Royal Oak, with the same ideal proportions and class-leading bracelet as the iconic “Jumbo”, the RD#5 is actually one of the most innovative mechanical chronographs in recent years. Perhaps the only comparison for out-of-the-box chronograph construction is AgenGraphe that was unveiled almost a decade ago. The watch was evidently developed with two goals in ...

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David Candaux Thinks Differentially with the DC12 MaveriK SJX Watches
Jaeger-LeCoultre Hybris Mechanica à Grande Sep 25, 2025

David Candaux Thinks Differentially with the DC12 MaveriK

After a few quiet years, David Candaux has introduced the DC12 MaveriK – the brand’s fourth model and its first without a tourbillon. A deceptively complicated time-only watch, the DC12 features twin escapements linked by a differential, a mechanism deeply rooted in the twentieth century history of the Vallée de Joux. Housed in an organic 39.5 mm titanium case, the DC12 is the most affordable watch yet from the Le Solliat-based watchmaker, but retains the brand’s signature push-button crown below the dial. Initial thoughts An experienced constructor who can count the MB&F; HM6 and Jaeger-LeCoultre Hybris Mechanica à Grande Sonnerie among his credits, David Candaux launched his eponymous brand in 2017. But he would be the first to tell you it was not an easy start, managing to sell just 14 watches during his first four years in business. This is not uncommon in the world of independent watchmaking; look around at some of the most popular independent brands today and you’ll hear a similar story about their early days. Mr Candaux’s business subsequently picked up some momentum, and in the past four years the brand claims to have made an additional 42 pieces. If true, it’s an encouraging sign for a watchmaker with something of a chequered past as an independent constructor, who is said to have had difficulty meeting obligations to client brands. In some ways, the DC12 is the embodiment of this journey, being simpler and cheaper than Mr Candaux’s previous models....

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Ōtsuka Lōtec Debuts the New No. 9, an Experiment in Haute Horology Worn & Wound
Sep 23, 2025

Ōtsuka Lōtec Debuts the New No. 9, an Experiment in Haute Horology

Ōtsuka Lōtec had a viral moment over the weekend with the surprise launch of the No. 9, the latest creation from the Japanese microbrand headed by designer and watchmaker Jiro Katayama. These watches have captured the attention and imagination of enthusiasts worldwide for their unique steampunk aesthetic, filtered through a unique Japanese industrial design perspective. Up until now, their watches have been defined by interesting complications (wandering hours, retrograde displays, etc.) at ultra competitive price points topping out at around $5,000, and being genuinely difficult to obtain outside of Japan thanks to extremely limited production and simply not being offered to en masse to those outside the country. With the No. 9, it certainly appears that Ōtsuka Lōtec will continue to make watches that are tough to obtain, but they’ve thrown the pricing structure out the window with this release, offering up a far more complicated watch than anything they’ve previously attempted.  The No. 9 is a rectangular watch in a stainless steel case measuring 41.3mm by 26.4mm. It’s 10.35mm tall, which makes this a quite compact package, and all the more impressive given the mechanical complexity. Going through the list of features and mechanical complications here is going to be a bit like the Stefon sketch on SNL (“This watch has everything…”) so let’s just embrace it: across 278 components, this watch features a tourbillon, a jump hour, “rewinding minutes,” a...

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In-Depth: Girard-Perregaux Debuts All-New Automatic Calibre SJX Watches
Vacheron Constantin Sep 23, 2025

In-Depth: Girard-Perregaux Debuts All-New Automatic Calibre

Girard-Perregaux (GP) has just taken the covers off a new in-house movement that will serve as a versatile platform for the brand, the Girard-Perregaux GP4800. Historically a significant producer of automatic movements, GP marks a milestone with the new, high-performance base movement that will gradually replace the 3000 family of movements that was once a workhorse employed by several high-end brands. Initial thoughts GP’s most famous creations are undoubtedly the historical Tourbillon with Three Gold Bridges and the more recent Constant Escapement. Significant as they may be, neither illustrates the brand’s past strength as a manufacture in the early decades of contemporary watchmaking post-Quartz Crisis, in particular GP’s position as a leading supplier of automatic movements.  It all began with the 3000 family of calibres introduced in 1994. Desirable for its slimness and high performance – the 3000 series was sub-3 mm thick while ticking at 4 Hz – this versatile platform served not only as a base for many of the brand’s own timepieces, but also powered well-known watches made by a number of prominent brands, including Cartier, Daniel Roth, Vacheron Constantin, and even MB&F;. A GP3000 found in the MB&F; HM2 And then inverted in the MB&F; HM8 Mark 2 The new GP4800 is clearly meant to replace the venerable-yet-aging 3000-series. Boasting a modern architecture and fine technical chops, the GP4800 is a step towards reclaiming GP’s past success as a movement ma...

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First Look – The Impressive Jaeger-LeCoultre Master Grande Tradition Calibre 985 Monochrome
Jaeger-LeCoultre Master Grande Tradition Calibre Sep 16, 2025

First Look – The Impressive Jaeger-LeCoultre Master Grande Tradition Calibre 985

Jaeger-LeCoultre’s Master Grande Tradition collection is the repository of the brand’s most complicated timepieces, featuring multi-component calibres and incredible levels of decoration and finishing. Bringing almost 200 years of expertise to the table, the Master Grande Tradition is home to emblematic complications like the tourbillon, the minute repeater and the perpetual calendar, often combined and […]

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SJX Podcast: Best of Geneva Watch Days SJX Watches
Audemars Piguet Sep 16, 2025

SJX Podcast: Best of Geneva Watch Days

On episode 10 of the SJX Podcast, SJX and Brandon Moore discuss the highlights and hands-on impressions from Geneva Watch Days, including the Greubel Forsey QP Balancier, Lange 1815 Tourbillon Black Enamel, Gérald Genta’s new Minute Repeater, and the latest perpetual calendars from Audemars Piguet. We also discuss the significance of Tag Heuer’s carbon hairsprings; after a short-lived launch in 2019, the brand has taken a mulligan and relaunched this technology with a key difference that might make carbon hairsprings a real alternative to silicon. Listen on Apple Podcasts, Spotify, and Youtube.  

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Thin Is In! - The Return Of Slim Watches Across (Almost) All Categories Fratello
Christopher Ward Twelve 660 thin Sep 15, 2025

Thin Is In! - The Return Of Slim Watches Across (Almost) All Categories

From the record-breaking thinnest-ever tourbillon in the Bvlgari Octo Finissimo Ultra Tourbillon to the genre-defying Christopher Ward Twelve 660, thin is in! It seems manufacturers are heeding our outcries for slim watches across (almost) all categories and segments. This is a trend we can get behind at Fratello! It seems like only yesterday when almost […] Visit Thin Is In! - The Return Of Slim Watches Across (Almost) All Categories to read the full article.

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Seiko Upcycles Leather for the Latest Presage SJX Watches
Seiko Upcycles Leather Sep 10, 2025

Seiko Upcycles Leather for the Latest Presage

Seiko adds a new limited-edition to its line of affordable dress watch with the Presage Classic Series Upcycled Leather Strap that sports knurled bezel, golden-brown gradient dial, and with a leather strap made from shoe leather offcuts supplied by Regal, a Japanese shoemaker best known for its leather dress shoes. Initial Thoughts Though strange on the surface, the Seiko Presage and Regal tie-up makes sense. Both are affordable, solid offerings in their respective segments, and also distinctly Japanese. Notably, Regal is launching the saddle shoes that produced the offcuts later this week. The watch itself is a good looking iteration of Seiko’s familiar entry-level dress watch. The bezel and smoked dial are a pleasing combination that set this apart from most Presage models. Seiko didn’t mention the impetus for this collaboration in press materials; I suspect geography was a part. Regal builds its top of the line shoes in the town of Morioka, near Morioka Seiko Instruments, the heart of Seiko’s domestic mechanical watch production. That proximity lends a lot of authenticity to the collaboration for me, and I wish it were part of Seiko’s messaging, though I understand most consumers don’t care. At the same time, Regal is little known outside Japan, but its shoes are a fixture in major Japanese department stores. The transient nature of leather straps is arguably a shortcoming in watches like the new Presage, or the Kodo Constant Force Tourbillon at the other en...

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H. Moser & Cie. has a New Take on the Wandering Hours SJX Watches
H. Moser & Cie has Sep 4, 2025

H. Moser & Cie. has a New Take on the Wandering Hours

Schaffhausen-based H. Moser & Cie. returns to a complication it once offered with the Pioneer Flying Hours, a new take on the wandering hours. The watch indicates the minutes on a central ring, while the hours seemingly jump from one window to the other. With this intriguing new display, the Flying Hours might just be being one of the most interesting jumping hours on the market.  Initial thoughts The Pioneer Flying Hours is not Moser’s first attempt at the wandering hours: the Endeavour Flying Hours was launched some seven years ago and an update on the historical complication. With new Pioneer, however, Moser manages to capture the mystique of both early wandering hours and mysterious clocks with its darting, wandering display. It is a tidy and admittedly novel reinterpretation of the wandering hours, which will surely appeal to collectors. There is something poetic about the minutes scale moving continuously across shuttered apertures, its sweep much like a bridge between points in time, here represented spatially. The combination of the sporty and large Pioneer case is also odd with the wandering hours, historically a complication associated with more formal, slim cases. At almost 43 mm, the case is large even for a sports watch. And to nitpick: if there is anything objectionable from the get-go, that is the name. Strictly speaking, “Flying hours” describes a revolving platform that is only supported from below - like a flying tourbillon. Here the hour disks a...

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Style and Substance in Greubel Forsey’s QP Balancier SJX Watches
Greubel Forsey s QP Balancier Greubel Sep 4, 2025

Style and Substance in Greubel Forsey’s QP Balancier

Greubel Forsey repackages its cutting edge perpetual calendar in a sleeker, more accessible format as the QP Balancier. It’s still a highly legible calendar that adjusts forward and back via the crown without need of tools or fear of damage. Despite the simpler styling, the QP Balancier retains the high-end movement decoration the brand is known for. Initial Thoughts Greubel Forsey was arguably a latecomer to the world of complications, spending its first decade on chronometry, refining the tourbillon. The brand’s first complication, the GMT presented in 2011, applied an unfamiliar approach to a familiar complication. That set the tone for the brand’s first perpetual calendar four years later – the Quantième Perpétuel à Équation. At its heart was a “mechanical computer” programmed with 48-month leap year cycle that allowed the calendar to be adjusted forward and back without issue, all from the crown. The Quantième Perpétuel à Équation of 2015 While the result is not novel, – Ulysse Nardin and H. Moser & Cie. have bi-directional perpetual calendar as well – the method certainly is. Greubel Forsey paired the mechanical computer with a similarly sophisticated in-line display – using four layers of stacked disks – making its perpetual as easy to read as it is to use. The new QP Balancier is a more focused watch than its predecessor, as it does away with the 24-second inclined tourbillon and equation of time. While wider, the case is also slimmer an...

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In-Depth: TAG Heuer Achieves Carbon Hairspring Industrialisation SJX Watches
TAG Heuer Achieves Carbon Hairspring Industrialisation Sep 4, 2025

In-Depth: TAG Heuer Achieves Carbon Hairspring Industrialisation

TAG Heuer is marking the rollout of its new-and-improved, and in-house, carbon hairsprings – timed to coincide with the 350th anniversary of the hairspring’s invention – with a pair of chronographs: the Monaco Flyback Chronograph TH-Carbonspring and Carrera Chronograph Tourbillon Extreme Sport TH-Carbonspring. More than just two new watches, the TH-Carbonspring is a notable technical achievement that might promise an entirely new generation of TAG Heuer movements equipped with oscillators that boast all of the advantages of silicon, but with added robustness. Protected by several patents, TH-Carbonspring is also the result of a fascinating process of research and development to overcome a surprising problem. Kitted out in carbon composite dials and cases, the two watches are centred on TAG Heuer’s latest-generation carbon-nanocomposite balance springs, with each being a limited edition of just 50 pieces Initial thoughts Both models serve as a launch platform for TAG Heuer’s improved and industrialisation-ready carbon hairspring. While the brand has been flirting with carbon hairsprings since 2019, its use of the technology has been intermittent and on limited scale. TAG Heuer explains previous attempts at carbon springs were not up to the brand’s standards, which is to say the hairsprings did not perform as expected and could not be produced at scale. The new TH-Carbonspring indicates TAG Heuer has perfected the technology to make reliable hairsprings, which m...

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Greubel Forsey Returns to the Nano Foudroyante SJX Watches
Greubel Forsey Returns Aug 28, 2025

Greubel Forsey Returns to the Nano Foudroyante

Launched last year as a concept watch of sorts – and the brand’s first-ever chronograph – the Nano Foudroyante now joins Greubel Forsey’s regular production catalogue, albeit in a small-run limited edition as is convention for the brand. The new Nano Foudroyante retains all of the key elements of the original Experimental Watch Technology (EWT) version – we examined that watch in-depth earlier this year – including the miniaturised lightning seconds mounted on the tourbillon cage. The design also remains the same, but gains colour in the form of a blued seconds scale and blued steel hands, while the case is now entirely in white gold. Initial thoughts The Nano Foudroyante is essentially a cosmetic variation on the original, but it looks notably different, though it feels the same; the watch is dense, heavy, and clearly high quality. The blue accents and faux-fabric rubber strap give the sort of informal, but not quite sporty, appearance that is popular today. In contrast, the original EWT version of the watch was old-school complicated watchmaking in its monochromatic grey-and-silver livery. The two versions still look pretty similar, however, and I would have hoped Greubel Forsey did more to set this apart from the EWT version. Alternatively the EWT iteration could have been made more radical or extreme, which is not a bridge too far for a “experimental” limited edition. That said, the watch is still technically impressive with its novel approach to the fo...

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