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Results for Perpetual Calendar

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Perpetual Calendar

The mechanical calendar that knows leap years automatically through 2100.

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,...

Long-Hidden Patek Philippe Watches Headline Sotheby’s NY Sale SJX Watches
Patek Philippe Watches Headline Sotheby’s NY Oct 21, 2025

Long-Hidden Patek Philippe Watches Headline Sotheby’s NY Sale

This December at its New York auction. Sotheby’s will bring one a hitherto secret collection of complicated Patek Philippe watches to market, The Olmsted Complications Collection. Accrued by late financier Robert M. Olmsted over six decades, the collection includes watches commissioned by the most prominent American collectors of the early 20th century, including Henry Graves Jr., Thomas E. Emery, James M. Morehead III, and Elliot C. Lee, some of which were completely unknown to the public until now. An “Extra” quality observatory watch made for Henry Graves Jr. It couldn’t be better timed either, with the flagship lot being a previously undocumented Patek Philippe perpetual calendar desk clock, just months after the brand launched its modern equivalent. Better still – at least for American bidders – these watches are already stateside, avoiding the hefty import taxes levied against Switzerland. In addition to rare and exotic pocket watches, the auction also makes room for a few watches with more mainstream appeal, including a Rolex ref. 6100 with a cloisonné enamel dragon dial. The Thomas E. Emery Desk Clock The headline lot is a Patek Philippe desk clock made for one Thomas Emery – the same client who commissioned Patek Philippe’s first wrist-borne perpetual calendar in 1925. Until now there were only two publicly known Patek Philippe perpetual calendar desk clocks, those made for James Ward Packard and Henry Graves Jr. Like its siblings, Emery’s desk ...

Patek Philippe’s Gondolo Serata Zebra Debuts New Dial Technique SJX Watches
Patek Philippe s Gondolo Serata Zebra Oct 20, 2025

Patek Philippe’s Gondolo Serata Zebra Debuts New Dial Technique

Patek Philippe surprises with an off-season launch, the Gondolo Serata Zebra Ref. 4962/200R-010. Based on the curvaceous model launched in 2006, the Zebra features a sapphire crystal dial framed by garnets on the bezel and lugs. The dial motif replicates the cloisonné enamel dial of the Golden Ellipse ref. 5738/50G-023 from the Rare Handcrafts collection of 2022, but here the technique and material are decidedly modern. Despite the radically different look, this is an evolution of the Retrograde Perpetual Calendar ref. 6159G that has a smoked sapphire dial. Here the dial is also clear sapphire, but engraved, varnished, and then metallised to create the striking zebra motif. Initial thoughts The Gondolo Serata has been in Patek Philippe’s catalogue for almost 20 years but it never really gained prominence. Though the case shape is elegant, the dials on the earlier versions were quite plain. The Zebra is the opposite – vivid and striking – and it instantly stands out amongst Patek Philippe’s ladies offerings. The fact that the dial motif is based on the Rare Handcrafts Ellipse is a nice touch, though watch enthusiasts may be disappointed the movement is quartz. Patek Philippe presumably understands its clients and those clients probably want the convenience of a quartz movement. The sapphire dial technique, however, is interesting enough that it is likely to make its way into other models, which will be a good thing. Savannah sapphire The Gondolo Serata is a longsta...

Vacheron Constantin Brings “The Quest” Exhibition to Singapore SJX Watches
Vacheron Constantin Brings “The Quest” Exhibition Oct 14, 2025

Vacheron Constantin Brings “The Quest” Exhibition to Singapore

As part of a world tour to mark Vacheron Constantin’s ongoing 270th anniversary, The Quest: 270 Years of Seeking Excellence lands in Singapore from October 25 to 26, 2025. After stops in Geneva, Tokyo, Hong Kong, Shanghai, and Abu Dhabi, the event will take place at Parkview Square and will be open to the public. The exhibition showcases the brand’s legacy through thematic chapters, featuring both historic timepieces and artifacts as well as an exploration of métiers d’art techniques like guilloché, which are a specialty of the brand. There will also be an immersive astronomical installation that invites guests to reflect on their own passage through time. A highlight of the exhibition is a special tribute to The Berkley Grand Complication, which remains the world’s most complicated mechanical watch, and the only Chinese perpetual calendar. The watch itself will not be present – the owner is an American – but a special display will provide a look inside the masterpiece. The Quest: 270 Years of Seeking Excellence takes place over the weekend of October 25-26. Admission is free but attendees are encouraged to register online in advance to reserve their preferred time slot. Parkview Square600 North Bridge Road, 3rd FloorSingapore 188778  

Introducing Kiwame Tokyo, a New Japanese Microbrand Worn & Wound
Kiwame Tokyo Oct 2, 2025

Introducing Kiwame Tokyo, a New Japanese Microbrand

The independent watch space in Japan is one of the most interesting in the world right now. There have, of course, always been a lot of great watches coming out of Japan, but the last few years have seen a real surge in enthusiast focused releases from brands at literally every price point, and they’ve been redefining what a Japanese watch looks and feels like. We recently covered the latest release from Ōtsuka Lōtec, a daring haute horology experiment with a six figure price tag, and this year also saw the unveiling of Naoya Hida’s first perpetual calendar, which, for me personally, is still one of the very best watches I’ve laid hands on in 2025. These watches, and others, make for great examples of the breadth of Japanese watchmaking, but not everything new and interesting is prohibitively expensive. Case in point, Kiwame Tokyo, an entirely new brand that recently came across our radar.  Kiwame is the brainchild of Masami Watanabe, a 30 year veteran of the watch industry who began his career importing luxury watches from European brands to his native Japan. Over time, he also became interested in the burgeoning microbrand scene, and the stated goal of Kiwame is to create a “truly Japanese” microbrand that captures the refinement and craft that is often associated with Japanese design principles.  Kiwame debuted their first two watches only a short time ago and they quickly sold out of each 99 piece limited edition (an additional run is promised for Novembe...

IWC Pilot's Watches: The History and Ultimate Guide Teddy Baldassarre
IWC Oct 1, 2025

IWC Pilot's Watches: The History and Ultimate Guide

Few watch brands are as readily identified with aviation and the history of pilot’s watches than IWC, which not only gave the watch world two of the genre’s most iconic (and widely emulated) timepieces, the Big Pilot’s Watch and the Mark 11, but also has used both these groundbreaking models as foundations for a sprawling and diverse collection of contemporary aviation-inspired watches today. Here is the story of IWC Pilot’s Watches, from the Special Watch for Pilots to the Spitfire to the Top Gun, from simple three-hand to perpetual calendar, and everything in between.  F.A. Jones’ International Dream (1860s - 1930s)   IWC founder Florentine Ariosto Jones Other than the fact that he came to Switzerland in 1868, at the relatively tender age of 27, to become the first American-born founder of a Swiss watch company, little is known about the life of IWC patriarch Florentine Ariosto Jones. He was born in New Hampshire in 1841 and fought in the American Civil War for the Massachusetts Infantry. His postwar career at the renowned Massachusetts watchmaker E. Howard & Co. led to his European sojourn and the establishment of the International Watch Company in Schaffhausen, Switzerland. From the outset, Jones’ business plan was to marry the generational watchmaking expertise of the Swiss with the then-new, assembly-line production techniques of the U.S.A. His decision to locate his factory in Schaffhausen, near Switzerland’s northern border with Germany, rather tha...

Introducing – The New Ochs und Junior Day/Night Holiday Edition 2025 Monochrome
Sep 30, 2025

Introducing – The New Ochs und Junior Day/Night Holiday Edition 2025

Ochs und Junior, the independent brand founded in 2006 around the inventive genius of Dr Ludwig Oechslin, has built its reputation on watches that present complex astronomical or calendar displays in radically simple, functional designs. Models such as the perpetual calendar, annual calendar, and moon phase are already cult favourites among collectors who appreciate mechanical […]

Hands On: Christiaan van der Klaauw Planetarium Meteorite SJX Watches
Christiaan van der Klaauw Planetarium Meteorite When it Sep 25, 2025

Hands On: Christiaan van der Klaauw Planetarium Meteorite

When it comes to planetarium wristwatches, Christiaan van der Klaauw (CvdK) has little competition, since it owns much of the intellectual property behind the complication. But that hasn’t stopped the brand from competing with itself, and the result the Grand Planetarium Eccentric Meteorite, the most complete model of the solar system ever put in a wristwatch. It’s a maximalist approach to the planetarium concept that’s almost overwhelming in look and feel, thanks to the rich texture of its solid 44 mm meteorite case and busy dial. Building on the Grand Planetarium Eccentric from 2024, the Eccentric Meteorite manages to squeeze in the astroid belt, which is itself embellished with chunks of meteorite that originated on Mars. Intended to be a limited edition of three pieces, it’s possible that just two will be made given the limited quantity of meteorite on hand. The sun at the center of the dial functions as a running indicator, rotating once per minute. Initial thoughts The planetarium is among the most romantic of all complications due to its inherent uselessness; unlike a minute repeater or perpetual calendar, there’s not much action that can be taken with the information provided. But mankind has sought to understand its place in the universe for millennia, and the planetarium offers an intuitive way to visualise our real-time location relative to the sun and the other planets in our solar system. There’s also a strange appeal to the glacially slow speed of...

Introducing: Three 38mm Perpetual Calendars From Audemars Piguet Fratello
Audemars Piguet Audemars Piguet Sep 17, 2025

Introducing: Three 38mm Perpetual Calendars From Audemars Piguet

Audemars Piguet is known for many things, and the perpetual calendar is certainly among them. From ultra-thin variants to recent Royal Oak Selfwinding Perpetual Calendar references, the complication has been a cornerstone of the brand’s horological reputation. Earlier this year, AP launched a new generation of calibers designed with ergonomics in mind inside 41mm Royal […] Visit Introducing: Three 38mm Perpetual Calendars From Audemars Piguet to read the full article.

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 […]

Seiko Looks to Sci-Fi for the Astron GPS SJX Watches
Citizen has inched ahead Sep 15, 2025

Seiko Looks to Sci-Fi for the Astron GPS

Advanced digital watches haven’t deterred leading Japanese brands from continuing to earnestly develop high-accuracy quartz watches in analog formats. Chief among them is Seiko, which has just unveiled two new limited editions of its satellite-linked Astron GPS Solar. While the SSJ037 appears to be a simple time-only watch and the SSH185 looks like a straightforward dual-time chronograph, each watch is solar-powered and includes an electronic perpetual calendar. Limited to 1,500 pieces for the SSJ037 and 1,200 pieces for the SSH185, the new collection is sci-fi inspired, featuring colours and textures common to fictional depictions of space stations. Initial thoughts There are a couple different approaches to making high-accuracy quartz watches. The first is pretty obvious, and involves developing ever-more precise quartz oscillators. Seiko has long been a champion of this school of thought, although Citizen has inched ahead in recent years. The other approach is to make a reasonably precise quartz movement that automatically syncs with an external signal, which might be a radio signal broadcast from any of the atomic reference clocks positioned around the world, a bluetooth signal from the user’s phone, or, in the case of the Astron, a satellite signal. Since the brand debuted this technology in 2012, Seiko has refined things making the watches sleeker and the interface more intuitive. As a result, the time-only SSJ037 is an ordinary 42 mm in diameter and 12 mm thick;...

Citizen Celebrates 30 Years of High-End Watches With Paper-Dial Duo SJX Watches
F.P. Journe s Elegante But unlike Sep 12, 2025

Citizen Celebrates 30 Years of High-End Watches With Paper-Dial Duo

Citizen marks 30 years of its up-market The Citizen collection with two limited-edition watches featuring washi paper dials inspired by Japanese nature. Both use solar-powered quartz movements accurate to ±5 seconds per year, housed in titanium cases treated with ultra-hard Duratect coatings. Initial Thoughts Citizen’s somewhat clumsily named The Citizen sub-brand is 30 years old but little known outside Japan and enthusiast circles. Most The Citizen watches are distinguishable by an eagle crest on the dial, as well as their obvious quality. While the line has since grown to include mechanical watches, which are quite good, it remains a quartz-first brand – which is good as its quartz offerings are excellent and amongst the most advanced in the world. While often compared to the Grand Seiko cal. 9F models, The Citizen’s quartz offerings have more functions, and thus have more in common with the three-hand Seiko Astron 3X models, or Casio’s premium G-Shocks. These share solar charging, a perpetual calendar, and a power saving made which pauses the hands to save energy while not in use, like F.P. Journe’s Elegante. But unlike GPS-reliant Astrons and G-Shocks, Citizen’s high end quartz movements are fully autonomous, and accurate to within five seconds per year with a maximum deviation of two seconds per month during normal use. More important still, The Citizen’s traditionally styled offerings are much easier on the eyes than any G-Shock or modern Astron, stri...

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...

Massena LAB and Vianney Halter Team Up for the “Old Soul” Worn & Wound
Greubel Forsey or De Bethune there Aug 26, 2025

Massena LAB and Vianney Halter Team Up for the “Old Soul”

Before there was MB&F;, before there was Richard Mille or Greubel Forsey or De Bethune, there was Vianney Halter. Alongside brands like Urwerk, Vianney Halter helped to reimagine what watches could look and feel like coming into the 21st century. Writing in 2025, it’s hard to think of a time when the weird and wonderful wasn’t a core part of watch collecting, and Vianney Halter deserves no small amount of praise for his role in bridging the gap between a more traditional interpretation of independent watchmaking and the wide-open world of watch design we now get to enjoy. Still, nearly three decades on from the release of his first watch in 1998 (the inimitable Antiqua Perpetual Calendar), Vianney Halter is still working, and his latest release, the Old Soul - designed and executed in collaboration with William Massena and Massena LAB - is a sterling reminder that the old master isn’t out of tricks just yet. Like Halter’s last collaboration, the Louis Erard x Vianney Halter Regulator, which was released around Thanksgiving last year, the Old Soul leans into Halter’s Steampunk sensibilities, but blends the unique aesthetic with Massena’s signature eye towards historic watch design. The resulting piece is something both classically beautiful and wholly contemporary. Cased in a sedate and handsome 42mm, 12mm thick steel case, the Old School by Vianney Halter and Massena LAB is powered by the Minerva calibre 17’22, a vintage pocket watch movement first introdu...

Striking New Hues for the Vacheron Constantin Overseas Perpetual SJX Watches
Vacheron Constantin Overseas Perpetual Aug 26, 2025

Striking New Hues for the Vacheron Constantin Overseas Perpetual

The recently launched 222 in steel may be the watch of the hour, but Vacheron Constantin continues to build out the Overseas line with a facelift for the Overseas Perpetual Calendar Ultra-Thin ref. 4300V that gets new dials in burgundy and pink gold, both with pale blue accents. While the new pair are built on old bones, they remain competitive and appealing thanks to the extremely slim profile, great dials and well-appointed bracelets. Initial thoughts While the fad for integrated bracelet sport watches has cooled off, the genre remains remain popular and new contenders emerge every day, compelling established players to reinvent themselves. The Overseas Perpetual Calendar is definitely an established player in this segment and competitive with most of the market, at least for now. The thin movement inside has a proven track record by virtue of its age (the basic architecture debuted in 1967). Moreover, the Overseas perpetual also deserves praise for being very good looking, especially with the new burgundy dial. The blue accents work surprisingly well against the burgundy, though less so against pink gold. That said, the age of the movement is significant. It was easy to ignore the movement when the same was true of its peers. That is changing; Audemars Piguet overhauled the Royal Oak Perpetual Calendar with an all-new movement earlier this year, which features an entirely crown-set calendar. While I think the difficulty of setting perpetual calendars with pushers is exa...

Hands On: Roger Dubuis Excalibur Biretrograde Calendar SJX Watches
Patek Philippe alumni who caught his Aug 1, 2025

Hands On: Roger Dubuis Excalibur Biretrograde Calendar

Roger Dubuis is celebrating 30 years by looking back on its days as a trend-setting independent. The Excalibur Biretrograde Calendar deftly balances the spirit of Genevan watchmaking from the brand’s early years in the 1990s with the boisterous designs of the 2000s in a manageable size, but less manageable price. While the style is reminiscent of the oversized Excalibur models that were far from ergonomic, the Biretrograde Calendar has been redesigned for wearability. The retrograde calendar mechanism on the front is an in-house construction, built on top of the brand’s own automatic movement that is unexpectedly sophisticated and classical. Initial Thoughts Roger Dubuis is a marque built on calendars, so the new Excalibur has historical resonance. The late Roger Dubuis was a Patek Philippe alumni who caught his big break working with Jean-Marc Wiederrecht, who would go on to found Agenhor, on a double retrograde perpetual calendar developed for New York jeweller Harry Winston. It was during the project that Dubuis met his future business partner, Carlos Dias, an entrepreneur who would help establish the Roger Dubuis brand and transform it into a hit maker in the 2000s. The same double retrograde perpetual calendar mechanism would accompany the first Roger Dubuis model the brand’s debut in 1995. And the retrograde calendar also has a historical connection to Geneva, as a local watchmaker named Marius LeCoultre created the most prolific retrograde perpetual design of ...

A. Lange & Söhne Datograph Perpetual Tourbillon Reviewed by Tim Mosso: A Machine with Heart and Soul Quill & Pad
A. Lange & Sohne Jul 23, 2025

A. Lange & Söhne Datograph Perpetual Tourbillon Reviewed by Tim Mosso: A Machine with Heart and Soul

The A. Lange & Söhne Datograph Perpetual Tourbillon lives up to its name. It has a date, a chronograph, a perpetual calendar, and a tourbillon. But it has more: this watch has character. Assigning human traits to a cold machine is a – romantic – fool’s errand, but it’s also irresistible in the presence of a masterpiece. A. Lange & Söhne’s warmest watch is more than a machine with a heartbeat. It has soul.

Insight: Breguet’s New Sympathique Clock and Natural Escapement SJX Watches
Vacheron Constantin marked Jul 18, 2025

Insight: Breguet’s New Sympathique Clock and Natural Escapement

Breguet will very likely close its 250th anniversary this year with a bang: launching a 21st century Sympathique as a tribute to perhaps Abraham-Louis Breguet’s greatest invention, a clock that could autonomously wind, correct, and regulate a removable watch. While the brand has released no details, and there haven’t been any leaks, a series of patents gives us a peek at the new Sympathique. Notably, the patent drawings illustrate two possible companion watches: a 60 m water resistant Marine tourbillon and a Tradition. The latter is more interesting as it uses a novel form of Breguet’s échappement naturel, or natural escapement. We explain both the new Sympathique 2025 and the natural escapement using information gleaned from Breguet’s patents. Breguet Sympathique No. 1 by Francois-Paul Journe Initial Thoughts Three of the most historied names in the watch industry are celebrating anniversaries this year. Vacheron Constantin marked the occasion with Solaria, the most complicated wristwatch to date, while Audemars Piguet introduced an all-new Royal Oak Perpetual Calendar (and promises more to come in the fall). In comparison, Breguet has debuted the Classique Souscription and Tourbillon Sidéral so far, both of which are objectively good watches but feel underwhelming in technical terms. A new Sympathique, on the other hand, would be the ideal centrepiece for the brand’s anniversary collection, being visually impressive, an icon of the brand, and entirely unique ...

Patek Philippe 5002 Sky Moon Tourbillon: The Most Complicated Wristwatch Produced by Patek Philippe Quill & Pad
Patek Philippe 5002 Sky Moon Tourbillon Jul 14, 2025

Patek Philippe 5002 Sky Moon Tourbillon: The Most Complicated Wristwatch Produced by Patek Philippe

The Patek Philippe 5002 Sky Moon Tourbillon launched in platinum for the 2001 model year, the 12-complication featured two dials. Dial one was devoted to a moonphase indicator and a perpetual calendar with retrograde date display. On the sub-dial display for months, simple text promised a tourbillon regulator within the case.