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Review: new Patek Philippe Cubitus Perpetual Calendar Skeleton Ref. 5840P-001
Here is our hands-on comprehensive eview of the Patek Philippe Cubitus Perpetual Calendar Skeleton Ref. 5840P-001 released in WWG26.
Results for Annual Calendar
1,625 articles · 8 videos found · page 8 of 55
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Wiki · Guide
Annual Calendar
Patek's 1996 invention; handles 30- and 31-day months but needs one manual correction per year.
Dimensions · Guide
Case dimensions: Omega Globemaster Annual Calendar Omega
41 mm × 14.9 mm, lug 20 mm, Cal. 8922
Dimensions · Guide
Case dimensions: Patek Philippe Nautilus 5726 Annual Calendar Patek Philippe
40.5 mm × 11.3 mm, lug integrated, Cal. 324 S QA LU 24H
Dimensions · Guide
Case dimensions: Patek Philippe Annual Calendar Chrono 5905 Patek Philippe
42 mm × 12.3 mm, lug 22 mm, Cal. CH 28-520 QA 24H
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SJX Watches
Hands On: Patek Philippe Cubitus 5840 Perpetual Calendar
Patek Philippe’s divisive Cubitus collection enters its third year with the firm’s first truly skeletonised perpetual calendar wristwatch, the Cubitus ref. 5840p-001 Perpetual Calendar Skeleton. As the first member of its clan with a shaped movement, it also welcomes a contemporary aesthetic that breaks with the brand’s established codes of movement decoration, though it’s built on a decades-old foundation. In short, the ref. 5840P is an ideal ambassador for what the Cubitus line can be when it steps out from its brother’s shadow. Initial thoughts The most complicated — and most expensive — Cubitus yet is also arguably the best model in the collection to date, as it probably should be. While on paper it sounds derivative of the Nautilus perpetual calendar, this watch may have the strongest identity of any Cubitus launched so far by fully leaning into the bolder, more contemporary aesthetic that Patek Philippe has, until recently, hesitated to explore. Several details allow the ref. 5840P to have its own identity. The first is the use of a strap, rather than the typical Nautilus-style bracelet. The reshaped movement is another differentiator, as is the new finishing style, which makes it more than just a square Nautilus. Yet the teak deck motif remains central, integrated seamlessly into the skeletonised design. Two other details that stand out are the use of a baguette-cut diamond to denote the platinum case, rather than the usual brilliant-cut stone, and the...
Fratello
Hands-On With The Roger Dubuis Excalibur Biretrograde Calendar In Steel During Watches And Wonders 2026
Now you can get the characteristic features without the exorbitant price. Well, the Poinçon de Genève-certified Roger Dubuis Excalibur Biretrograde Calendar in steel is hardly a cheap watch, but it is the gateway to the Roger Dubuis universe. And what a way to enter the world of hand-crafted high horology it is. With its 40 […] Visit Hands-On With The Roger Dubuis Excalibur Biretrograde Calendar In Steel During Watches And Wonders 2026 to read the full article.
Monochrome
First Look - The New Silver-Toned Patek Philippe In-Line Perpetual Calendar 5236P
Widely regarded as a technical and aesthetic masterpiece, Patek Philippe’s In-Line Perpetual Calendar returned in grand form at Watches & Wonders this year, alongside dozens of other new watches, in platinum with a silver dial. Displaying the day, date and month on a single line in a panoramic aperture at noon, few perpetual calendars can […]
Monochrome
Introducing - The Roger Dubuis Excalibur Biretrograde Calendar in Steel
Last year, Roger Dubuis unveiled the Excalibur Biretrograde Calendar, a revival of a signature biretrograde complication co-patented by founder Roger Dubuis and Jean-Marc Wiederrecht (Agenhor) in 1989. Although this calendar version is simpler than the double retrograde QP the two men developed, it features the signature retrograde aesthetic intimately associated with Roger Dubuis. Following the […]
SJX Watches
Roger Dubuis Debuts Biretrograde Calendar in Steel
Following the introduction of the same model (sans bracelet) in 18k pink gold last year, the new ‘cosmic blue’ variant of the Roger Dubuis (RD) Excalibur Biretrograde Calendar offers the brand’s signature retrograde day and date complication in a more accessible stainless steel package. Initial thoughts As a maker of big, bold, avant-garde watches, RD has found itself out of step with mainstream collector culture, which lately has favoured smaller, more elegant designs. The brand seems to understand the implications of these latent trends, and just last year introduced the Hommage La Placide, which was widely praised. The new 40 mm Excalibur Biretrograde Calendar is another step in the right direction, bridging the gap between RD’s more flamboyant instincts and contemporary collector preferences. In this context, the Excalibur Biretrograde Calendar is clearly a watch designed to resonate more widely - the 40 mm stainless steel case paired with a blue dial is a commercially popular and almost universally appealing configuration. It works in part because the striking Excalibur design and unmistakeable biretrograde day and date functionality keep it from looking too much like anything else. The stainless steel bracelet is also noteworthy. It’s not the first time the brand has offered a steel bracelet - and it has produced this same design in titanium in the past as well - but it might as well be new since the Excalibur Biretrograde Calendar will probably appea...
Monochrome
First Look - The Roger Dubuis Excalibur Biretrograde Perpetual Calendar
Last year, Roger Dubuis released a nostalgic watch that paid homage to Mr Dubuis, the brand’s talented watchmaker and founder. Using a restored and remanufactured RD72 bi-retrograde perpetual calendar module (launched in 1999) combined with the automatic RD14 base calibre, the Hommage La Placide was presented in a compact and classically styled 38mm gold case, […]
Monochrome
First Look - The IWC Ingenieur Perpetual Calendar 41 in Titanium
IWC Schaffhausen continues to expand the modern Ingenieur line by once again pairing the 1970s Gérald Genta-inspired integrated case and bracelet with the crown-operated perpetual calendar developed by Kurt Klaus in the early 1980s. Following the steel version launched last year, this 2026 release introduces a full-titanium construction; meet the Ingenieur Perpetual Calendar 41 in […]
Monochrome
Introducing - The Patek Philippe Cubitus Perpetual Calendar 5840P
On the occasion of Watches and Wonders Geneva 2026, Patek Philippe keeps expanding its Cubitus collection with its first grand complication, a perpetual calendar. Presented in a 45mm platinum case, the model stands out with its openwork design and rectangular movement. The Patek Philippe Cubitus Collection was unveiled in October 2024. Marking the brand’s first […]
WatchAdvice
Hands-On With The IWC Ingenieur Perpetual Calendar: A Brilliant New Evolution
The IWC Ingenieur Perpetual Calendar brings one of the brand’s most celebrated complications into its modern integrated sports watch design for the very first time. I take a closer look at what makes this latest evolution of the Ingenieur such a compelling release. What We Love: Compact proportions for a sports watch with Kurt-Klaus’s perpetual calendar design Beautifully executed case and dial finishing Stainless steel makes it more wearable and accessible What We Don’t: No micro-adjustment system on the bracelet clasp Limited strap versatility due to the integrated bracelet design No precious metal option at launch for those wanting a more luxurious take Overall Rating: 8.8/10 Value for Money: 8.5/10 Wearability: 8.5/10 Design: 9/10 Build Quality: 9/10 The Ingenieur has always been one of IWC’s most compelling designs, blending Gérald Genta’s signature aesthetic codes with the brand’s own sporty heritage and technical edge. I’ve been fortunate enough to review quite a few models from the Ingenieur range, which gives a good sense of how the overall collection sits across various sizes and complications. During Watches & Wonders 2025, arguably, one of the biggest shifts to the Ingenieur collection in modern times. The Swiss luxury watch manufacturer presented the Ingenieur in a 41.6mm case, with none other than a perpetual calendar complication sitting inside. The IWC Ingenieur Perpetual Calendar is the first of its kind, released during Watches & Wonder...
Monochrome
Introducing - The Audemars Piguet Royal Oak Perpetual Calendar in “Bleu Nuit, Nuage 50” Ceramic
Audemars Piguet continues to refine one of its most emblematic complications with the launch of a new Royal Oak Selfwinding Perpetual Calendar in 41mm, entirely crafted in “Bleu Nuit, Nuage 50” ceramic. More than a new colourway, this release brings together two of the Manufacture’s most significant recent developments: the darker, historically rooted blue ceramic […]
SJX Watches
Blancpain’s Chinese Calendar Meets “Salmon” Grand Feu Enamel
Now an annual affair, Blancpain has just released the Villeret Calendrier Chinois Traditionnel 2026 for the year of the fire horse arriving on February 17, 2026. Though it’s based on a longstanding model, the 2026 edition is dressed in striking new livery. A 50-piece limited edition in platinum with a salmon-coloured grand feu enamel dial, the Calendrier Chinois marks the Year of the Fire Horse in a way that few brands can: with a fully-mechanical Chinese calendar complication. Initial thoughts Building a traditional Chinese calendar complication on wristwatch scale was a real first back in 2012 when Blancpain first unveiled the Calendrier Chinois Traditionnel. While many brands introduce yearly limited editions to honour each year’s symbol of the Chinese zodiac, Blancpain’s annual edition is elevated by a thematic sincerity that comes along with the dedicated complication. This specific edition aside, the Blancpain Chinese calendar is notable and interesting for being one of the few such calendars on the market. It’s a technical achievement and is further upgraded with Blancpain’s patented under-lug correctors for the calendar. The defining colour of the 2026 Chinese calendar comes from its warm, salmon-tone dial. Executed in milky grand feu enamel, the dial is as glossy as ever, and features twin Blancpain ‘secret signatures’ on the lower half of the dial. The often underrated Villeret collection is one of the subtler gems in modern high horology, and it is...
Monochrome
Introducing - Blancpain Villeret Traditional Chinese Calendar “Year of the Fire Horse”
Blancpain unveiled its Villeret Traditional Chinese Calendar in 2012, an extraordinarily complex watch that fuses the traditional lunisolar Chinese system, elements of the Gregorian calendar, and a moon phase. A world first, Blancpain’s masterpiece coincided with the Chinese Year of the Dragon. For 2026, Blancpain returns with a 50-piece limited edition in platinum dedicated to […]
SJX Watches
Hands On: Panerai Luminor Perpetual Calendar PAM01575
The Panerai Luminor Perpetual Calendar GMT Platinumtech PAM01575 is one of the most unconventional perpetual calendars on the market, combining the brand’s military-inspired emphasis on legibility and robustness with a high-spec, crown-operated perpetual calendar movement designed for daily wear. Housed in a hard-wearing 44 mm Platinumtech case and powered by the P.4100 calibre, the PAM01575 challenges expectations for what a Panerai can be, applying the brand’s utilitarian DNA to one of watchmaking’s most respected complications. A user-friendly perpetual calendar Panerai is a brand rooted in its identity as a supplier of watches and dive instruments to the Italian navy. The brand’s utilitarian aesthetic, with bold dial markings and a distinctive crown guard, earned it a cult following in the early 2000s, and while some of the enthusiasm of that era has waned, the designs remain as recognisable as ever. Military watches are usually designed to be legible and robust, user-friendly traits that make them appealing to civilians. User-friendliness is something of a complication in its own right, and in some ways is one of the final frontiers of movement design. This includes both legibility, and the priority of information on the dial, and functionality, ensuring that the movement is easy to operate and resilient against mishandling. These issues are especially present when it comes to perpetual calendars, which must present a lot of information; George Daniels famousl...
Fratello
Introducing: Two Simply Irresistible 36.5mm Vacheron Constantin Traditionelle Perpetual Calendar Ultra-Thin Watches
The big trend is “small.” And “thin.” Well, those two words perfectly describe the new 36.5mm Vacheron Constantin Traditionelle Perpetual Calendar Ultra-Thin. Not only is the diameter a size “S,” but it also has an 8.43mm case thickness, making it worthy of the “Ultra-Thin” moniker. The pink gold version is the most modern of the […] Visit Introducing: Two Simply Irresistible 36.5mm Vacheron Constantin Traditionelle Perpetual Calendar Ultra-Thin Watches to read the full article.
Hodinkee
In-Depth: The Patek Philippe Reference 1526 Perpetual Calendar
An *exhaustive* exploration of the world's first serially produced perpetual calendar wristwatch, an often overlooked but historically significant reference from Patek Philippe.
Deployant
New: Vacheron Constantin Traditionnelle Perpetual Calendar Ultra-Thin
Vacheron Constantin continues its 250 year celebrations with three new references of the Traditionnelle Perpetual Calendar Ultra-Thin in three expressions.
Monochrome
First Look - The New 36.5mm Vacheron Constantin Traditionnelle Perpetual Calendar Ultra-Thin
Vacheron Constantin unveils two new versions of its Traditionnelle Perpetual Calendar Ultra-Thin in 36.5mm cases, the first to appear without a gem-set case. When it debuted in 2022, the Traditionnelle QP was positioned as a women’s watch, adorned with diamonds and a mother-of-pearl dial. It’s incredible to see the impact that market trends can have […]
Monochrome
Introducing - The Bremont Altitude Perpetual Calendar GMT Mono-Pusher Skeleton
Bremont’s rise has been tied to modern aviation-leaning tool watches with solid mechanics built to be used. After the more experimental Terra Nova pieces, the British brand regrouped around its core strengths with the Altitude collection: a cleaner, aviation-inspired collection that also invited complications. At the top sits the Altitude Perpetual Calendar GMT Mono-Pusher, with […]
WatchAdvice
Review: The Zenith Chronomaster Original Triple Calendar In Lapis Lazuli
A forgotten 1970s prototype finally brought to life, the Chronomaster Original Triple Calendar Lapis Lazuli is Zenith at its poetic best. A celestial twist on a historic design, this is a watch that feels as timeless as the night sky it represents! What We Love The Lapis Lazuli stone dial is genuinely stunning. A vibrant, rich, and ever-changing under light, perfectly capturing Zenith’s celestial identity. The El Primero 3610 movement keeps the brand’s DNA alive with that iconic 36,000 vph beat and flawless integration of the triple calendar and moon-phase. Despite the dial’s visual complexity, the blue-and-white contrast and colour-matched calendar wheels keep everything clean, legible, and refined. What We Don’t The straight lugs don’t curve down enough, meaning the case can sit slightly proud on smaller wrists. At 14 mm, it’s not overly chunky, but some may find it a little tall, especially under tighter cuffs. As a complete calendar, it still requires five manual date changes a year, not a deal-breaker, but something to note for practicality. Overall Rating: 8.9/10 Value for money: 8.5/10 Wearability: 9/10 Design: 9/10 Build quality: 9/10 The story of the Zenith Chronomaster Original Triple Calendar is a fabled one, as it is about a timepiece that never made it to production, up until almost 54 years later, when Zenith went through their archives and found the original plans for this timepiece. While we can say that Zenith might’ve missed out on an incred...
SJX Watches
Jaeger-LeCoultre’s Master Control Calendar Goes Granular Two-Tone
Jaeger-LeCoultre has just introduced the Master Control Calendar Limited Edition, the latest addition to a long line of triple calendar watches going back decades. Packaged in the 40 mm Master Control case we’ve become familiar with, this new 500-piece stainless steel limited edition is all about the dial, which features a richly textured silver and grey livery on a “sector” layout. Despite the classical aesthetic, the Master Control Date is thoroughly modern on the inside with the cal. 866 featuring a silicon escapement that supports a 70-hour power reserve. Initial thoughts The triple calendar moon phase has long been a staple of the Jaeger-LeCoultre line-up; Pablo Picasso famously wore one. Add to this lineage the brand’s unique jumping date pointer, which jumps in a wide arc from the 15th to the 16th of the month to avoid confounding the moon phase display, and the result is a watch that manages to be both charming and technically distinctive. It’s also easily wearable in a 40 mm case, that, while larger than the vintage originals, gives the indicators on the dial plenty of space to breathe. Of course, the movement is the cal. 866, effectively a cal. 899 with a triple calendar module, which helps keeps the overall package quite sleek at 10.95 mm – on par with many simple time-and-date watches in this category. Upgraded a few years ago with a silicon escapement, the movement now runs for 70 hours when fully wound, adding convenience to wearability. Naturall...
Monochrome
First Look - The Jaeger-LeCoultre Master Control Calendar now with Handsome Grained Sector Dial
Launched in 1992, Jaeger-LeCoultre’s Master Control collection is inspired by the brand’s classic round timepieces of the 1950s, focusing on technical rigour, certification (JLC’s in-house “1000 Hours” Control), and stylistic restraint. The Master Control Calendar was part of the refreshed collection in 2020, equipped with a triple calendar and moon phases inspired by movements developed […]
Fratello
Introducing: Three New Variants Of The Frederique Constant Classic Perpetual Calendar Manufacture
The Frederique Constant Classic Perpetual Calendar Manufacture is almost a decade old, but it continues to impress and surprise. When introduced in 2016, it was the most affordable Swiss-made mechanical perpetual calendar on the market. On the verge of the watch’s 10th anniversary, its friendly price is still a USP. However, the QP’s updated looks […] Visit Introducing: Three New Variants Of The Frederique Constant Classic Perpetual Calendar Manufacture to read the full article.
Deployant
Frederique Constant Perpetual Calendar three new variations
Released last week at Geneva Watch Days, Frederique Constant adds three new variations to their budget friendly Perpetual Calendar.
Fratello
Introducing: The Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin In Two New Dial Variations
Vacheron Constantin is celebrating its 270th anniversary in 2025 with a steady stream of new releases. Among them is a pair of fresh takes on one of the most elegant sports watches in its stable, the Overseas Perpetual Calendar Ultra-Thin. This model has long been a showcase of the maison’s ability to balance sportiness and […] Visit Introducing: The Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin In Two New Dial Variations to read the full article.
Deployant
Hands-on with the new Vacheron Constantin Overseas Perpetual Calendar ultra-thin
Vacheron Constantin releases a new addition to their Overseas collection, this time adding two new dial variant to the Perpetual Calendar.
Monochrome
Introducing - The Sophisticated & Feminine Montblanc Bohème Perpetual Calendar 36mm
Like many of Montblanc’s watches, the name Bohème was originally assigned to a line of fountain pens. Released in 2014 as a collection of women’s watches, the current collection of automatics and day & night models expands with the arrival of a sophisticated Perpetual Calendar in 36mm rose gold and two-tone rose gold and steel […]
SJX Watches
Up Close: Patek Philippe Retrograde Perpetual Calendar Ref. 6159G
Just launched earlier this year, the Patek Philippe Retrograde Perpetual Calendar Ref. 6159G-001 is the latest in a long line of perpetual calendars with retrograde date, dating to 1993 in the modern day and even further with vintage watches. Though essentially identical in terms of function and display, the ref. 6159G is the most modern take on the concept to date, while being entirely improved in terms of the movement and case. The key elements that distinguish the ref. 6159G are the dial and case: the translucent sapphire dial is tinted in grey and black, while the case sports a bezel and case back finished with clous de Paris guilloche. It’s an unusual combination, but appealing overall, although some elements, like the generous dose of lume, feel out of place. Initial thoughts Patek Philippe’s catalogue is still mostly classically oriented, with watches like the Calatrava ref. 6196P capturing the traditional Patek Philippe style. But the brand has been moving towards a more modern aesthetic. Not all the attempts in the direction have been successful, but the ref. 6159G fortunately manages to do it well. Being modern in flavour also sets the ref. 6159G apart from its predecessors like the ref. 5159. While earlier generations of the retrograde perpetual calendar were fairly evolutionary in style, the ref. 6159G is visually unique. Fundamentally, the ref. 6159G is not exceptionally novel – but it looks good. The hobnail bezel and sapphire dial is a surprising combi...
Monochrome
First Look - The Delightful Warmth of the Bulgari Octo Finissimo Perpetual Calendar Rose Gold
After setting ten world records with its Octo Finissimo range in eleven years, Bulgari’s dominance in the ultra-slim arena is incontestable. The seventh ultra-thin model, the Octo Finissimo Perpetual, conquered the market in 2021. A highly prized complication, the perpetual calendar is powered by an impressively slim movement with a thickness of just 2.75mm. However, […]
Time+Tide
Raymond Weil’s Freelancer Complete Calendar is slim, stylish and a stunning value proposition
One of the slimmest complete calendars on the market, and it's less than 4k USD?The post Raymond Weil’s Freelancer Complete Calendar is slim, stylish and a stunning value proposition appeared first on Time+Tide Watches.