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Insight: Rolex Land-Dweller Cal. 7135, Patents and Innovation Explained SJX Watches
Rolex Land-Dweller Cal 7135 Patents Mar 31, 2025

Insight: Rolex Land-Dweller Cal. 7135, Patents and Innovation Explained

Rolex has entered uncharted territory with the Land-Dweller, arguably the most advanced and radical creation from a hitherto conservative brand. The Land-Dweller is significant, perhaps even game changing, not because of the integrated bracelet or patented solid lume, but because of the cal. 7135, a new calibre with an all-new double-wheel escapement known as Dynapulse and a ceramic balance staff. (This story details the technical advances in the movement; for a review of the watch, check out the accompanying story.) The Land-Dweller 40 mm in platinum The fundamentals Why is it significant, or even game changing? The cal. 7135 is the first in-house, serial production Rolex movement that is high frequency, beating at 5 Hz or 36,000 beats per hour. All things being equal, a higher frequency promises superior timekeeping. Despite the higher frequency, the cal. 7135 still has a 66-hour power reserve. That’s thanks in part to the Dynapulse escapement which is 30% more efficient than a conventional Swiss lever escapement, while occupying essentially the same volume of space. The balance assembly of the cal. 7135 Dynapulse is one of several innovations that make the cal. 7135 a landmark, especially since it will be produced at scale. While Rolex has traditionally been associated with incremental innovation, the cal. 7135 is a revolution. The Land-Dweller is the subject of 32 filed patents, 18 of which are unique to the watch. Moreover, 16 of the patents unique to the watch are ...

In-Depth: Rolex Land-Dweller SJX Watches
Rolex Land-Dweller Mar 31, 2025

In-Depth: Rolex Land-Dweller

The most discussed debut of Watches & Wonders 2025, the Rolex Land-Dweller is an entirely new model with a new case and bracelet, but that’s not why it is significant. While Rolex is conventionally associated with incremental innovation, the Land-Dweller is game changing. Not because of the design, but because it’s equipped with perhaps the ultimate mechanical movement produced at scale in contemporary watchmaking, a calibre that’s the subject of 16 patents. (The finer technical details can be found in our accompanying story.) The cal. 7135 inside the Land-Dweller is a new, sophisticated calibre equipped with an indirect-impulse, double-wheel escapement that’s entirely in silicon – christened Dynapulse – matched with a ceramic balance pivot. And it’s a high-frequency calibre running at 5 Hz or 36,000 beats per hour. Cumulatively, that makes for a superior timekeeper on the wrist. The Land-Dweller debuts in two sizes, 36 mm and 40 mm, in three basic variants: white Rolesor, Everose gold, and platinum. There are also a handful of high-jeweller versions. The Land-Dweller in white Rolesor on Roger Federer’s wrist. Image – Rolex Initial thoughts The Land-Dweller is both surprising and predictable. The styling is surprising; the integrated bracelet echoes historical watches like the Oysterquartz and ref. 5100 Beta 21 but I never expected it. The Land-Dweller looks and feels surprising for a Rolex Oyster. At 9.7 mm it’s the slimmest Oyster Perpetual in the cat...

Introducing – The Armin Strom Dual Time GMT Resonance Manufacture Black Edition in Steel Monochrome
Armin Strom Dual Time GMT Resonance Mar 28, 2025

Introducing – The Armin Strom Dual Time GMT Resonance Manufacture Black Edition in Steel

Armin Strom is a revered name among horophiles, an independent brand acclaimed for rekindling the spirit of resonance in wristwatches. Last year, Armin Strom introduced its 18th in-house movement – calibre ARF22 – with the white gold Dual Time GMT Resonance with impressive mechanics and finishings on both sides of the case. Offering two independent […]

Introducing The New Breitling Top Time B31 With A Brand New Engine WatchAdvice
Breitling Top Time B31 Mar 25, 2025

Introducing The New Breitling Top Time B31 With A Brand New Engine

Breitling has released its latest Top Time collection and with it, a new in-house movement in the form of the Calibre B31 What We Love The vintage style will tick a lot of boxes for collectors The dial colour choices are on the mark The new B31 is a great step forward for Breitling What We Don’t The 38mm size may not suit all wrist sizes The date magnifier slightly detracts from the clean dial layout A quick change mechanism on the straps would have been welcomed, as would a screw in crown Overall Rating: 8.4 / 10 Value for Money: 8/10 Wearability: 9/10 Design: 8/10 Build Quality: 8.5/10 Before we get into the new watches, for those who are not up with their Breitling history, then let’s take a step back and look at just how the Breitling Top Time came to be, given it is one of the more niche, or cult collections in the brand’s stable. The Breitling Top Time burst onto the scene in the 1960s as a bold, youthful alternative to the brand’s more aviation-focused chronographs. Designed for a new generation of style-conscious adventurers, it stood out with striking dial layouts, often featuring contrasting sub-dials that gave it an unmistakable sporty edge that was inspired by and closely associated with all forms of motorsport. It quickly found its way onto the wrists of racers, thrill-seekers, and even Hollywood icons—most notably, James Bond in Thunderball (1965), where a specially modified Top Time doubled as a Geiger counter. This moment cemented its reputati...

First Look – The New All-Black Versions of the Hamilton Intra-Matic Auto Chrono (Incl. Video) Monochrome
Breitling Mar 20, 2025

First Look – The New All-Black Versions of the Hamilton Intra-Matic Auto Chrono (Incl. Video)

The Intra-Matic’s origins are rooted in Project 99, developed with Büren, Heuer, Breitling and movement specialist Dubois-Depraz. The result of this joint effort was presented in 1969 with one of the first automatic chronograph movements called Chrono-Matic, or Calibre 11, depending on the brand using it. Alongside, Hamilton presented in the late 1960s the Chronograph […]

Konstantin Chaykin Returns with Slavic Bread-Creature Wristmon SJX Watches
Konstantin Chaykin Mar 7, 2025

Konstantin Chaykin Returns with Slavic Bread-Creature Wristmon

Drawn from a Russian fairy tale about a bun coming to life, the Kolobok 2 arrives a year after Konstantin Chaykin revealed the original Kolobok. Like its predecessors in the Wristmon collection, this features a dial inspired by the titular character’s face. But the Kolobok 2 marks a departure from the first version in two notable ways: it is now a regular production watch rather than a limited edition, and it features a La Joux-Perret base movement instead of an ETA. Initial thoughts The Kolobok 2 is the latest of many Wristmon models, arguably too many to date. However, the fact that this is a regular production model, as opposed to a limited edition, is a positive development since it indicates the brand is leaving behind the multiple-edition approach. That aside, the watch itself is an upgrade over earlier versions. Although the new Kolobok 2 has the same simple functions arranged as a face, it is powered by a new movement based on the La Joux-Perret G200, replacing the modified ETA 2892-A2 used in preceding entry-level Wristmon models. This calibre is a step forward for the Wristmon model. Amongst other things that put it ahead of the ETA 2892, the G200 sports a a full balance bridge with a free-sprung balance. Another wristmon The Kolobok 2 retains the same dimensions and technical specifications as its predecessors, measuring 40 mm in diameter and 12.2 mm in thickness. As with all Wristmons, it features a notched bezel with 12 screws and a case that’s predominan...

First Look: Audemars Piguet Royal Oak Perpetual Calendar “150th Anniversary” Openworked SJX Watches
Audemars Piguet Royal Oak Perpetual Calendar Feb 26, 2025

First Look: Audemars Piguet Royal Oak Perpetual Calendar “150th Anniversary” Openworked

Audemars Piguet’s 150th anniversary debuts are centred on perpetual calendars (at least for now), marking the closing of one chapter and the opening of another. The ingenious new calibre 7138 perpetual calendar marks a definitive new chapter in the brand’s history, while the Royal Oak Perpetual Calendar “150th Anniversary” Openworked is the swan song for a storied cal. 2120 movement that Audemars Piguet (AP) has relied on for decades. Presented in titanium with a polished BMG bezel, the final edition perpetual calendar is inspired by the Royal Oak pocket watch ref. 25729. This pocket watch lends its sapphire-and-blue aesthetic to the anniversary perpetual calendar, although the pocket watch was ironically powered by a manual wind calibre (as pocket watches tend to be). The ref. 25729PT was a 20-piece limited edition with a matching platinum chain, made in 1992 for the 20th anniversary of the Royal Oak Initial thoughts The anniversary edition marks the end of the cal. 5134/5135 (and the preceding cal. 2120/2800), the long-lived perpetual calendar movement that AP launched in 1978. While great in its time, the movement was dated and somewhat low-tech by modern standards. The retirement of the movement is well deserved, and it is certainly going out in style. At a distance the anniversary perpetual calendar is familiar, but up close it reveals details that make it a little bit more interesting than its peers. These include the blue ringed-sapphire dial, retro signatu...

First Look – The New 38mm AP Code 11.59 Selfwinding Flying Tourbillon in Sand Gold Monochrome
Audemars Piguet equips Feb 25, 2025

First Look – The New 38mm AP Code 11.59 Selfwinding Flying Tourbillon in Sand Gold

Marking a first for the recently introduced 38mm iteration of Code 11.59, Audemars Piguet equips its most compact reference with an automatic flying tourbillon. Not just any tourbillon, mind you, but AP’s ultra-thin calibre 2968, aka RD#3. Representing the best of both worlds, the new Code 11.59 Tourbillon fuses a state-of-the-art movement with a graceful […]

First Look – The Titanium/BMG AP Royal Oak Perpetual Calendar Openworked “150th Anniversary” Monochrome
Audemars Piguet announced Feb 25, 2025

First Look – The Titanium/BMG AP Royal Oak Perpetual Calendar Openworked “150th Anniversary”

Last year, with the John Mayer limited edition, Audemars Piguet announced the end of its older perpetual calendar movement, the calibre 5134. And indeed, as we have seen with the launch of the next-gen Royal Oak Perpetual Calendar Selfwinding, there is now a new and modern calibre 7138. But it’s not entirely the end of […]

Explained: Audemars Piguet’s Revolutionary Perpetual Calendar Cal. 7138 SJX Watches
Audemars Piguet s Revolutionary Perpetual Calendar Feb 25, 2025

Explained: Audemars Piguet’s Revolutionary Perpetual Calendar Cal. 7138

Audemars Piguet kicks off its 150th anniversary in a big way with an all-new perpetual calendar movement, the Audemars Piguet Calibre 7138. Making its debut in both the Code 11.59 and Royal Oak, the cal. 7138 is a landmark in traditional perpetual calendars. In fact, the movement is perhaps the most sophisticated and user-friendly perpetual calendar from an establishment brand. The calendar relies on the classic “grand lever” mechanism that’s been reinvented in an ultra-thin manner, but more importantly, the cal. 7138 employs an ingenious and innovative setting mechanism. Consequently, it is impressively intuitive and also foolproof. All the calendar indications are set via the crown, and the movement can’t be broken by setting it at the wrong time. Together, these features mark the cal. 7138 out as one of the most notable perpetual calendar movements on the market today. The cal. 7138 debuts in the Code 11.59 (left) and Royal Oak. Image – Audemars Piguet Initial thoughts The perpetual calendar has long been a key part of the history of Audemars Piguet (AP), especially after the bestselling ref. 5548 was launched in 1978. So a brand-new perpetual calendar for its 150th anniversary is fitting. At the same time, the calibre illustrates AP’s tremendous advances as a vertically integrated, industrial-haute horlogerie manufacture that has developed an splendid stable of in-house calibres in a relatively short period of time. The irony is that the cal. 7138 is almost...

First Look – The New, Accessible Yema Superman Swiss Edition Signals the Return to Sellita Movements Monochrome
Yema Feb 21, 2025

First Look – The New, Accessible Yema Superman Swiss Edition Signals the Return to Sellita Movements

Watch brands rarely take the time to explain their strategic shifts to the public, making Yema‘s transparency all the more commendable. In unveiling its new 2025 references, the French watchmaker provided insight into a significant transition: introducing the Superman Swiss Editions. These timepieces, which represent the brand’s entry to the Superman collection, are now powered […]

Piaget’s Polo Combines the Flying Tourbillon and Moonphase SJX Watches
Piaget s Polo Combines Feb 11, 2025

Piaget’s Polo Combines the Flying Tourbillon and Moonphase

Piaget is dialling up the complexity of its popular sorts watch with the Polo Flying Tourbillon Moonphase. Housed in a 44 mm, cushion-shaped titanium case, the new Polo features a partially open-worked dial that reveals the flying tourbillon - with cage topped by a stylised “P” - alongside a moon-phase indicator at six o’clock. Interestingly, the ultra-thin cal. 642P inside is a form movement in a tonneau shape. Initial thoughts The Polo Flying Tourbillon Moonphase adds an interesting pair of complications to the Polo, but without impacting the simplicity or symmetry of the dial. It’s a high-end alternative to the more affordable Polo models, like the Skeleton Ceramic, but it is also the largest Polo at 44 mm in diameter. This will affect wearability, making it versatile than the smaller-format Polo models. That said, because the movement is ultra-thin, the large case has an elegant, thin profile. As an aside, an open back would have been a welcome addition, since it would provide a view of the tonneau-shaped movement. Tourbillon This 44 mm cushion-shaped titanium case is finished with alternating mirror polishing and satin-brushing, complemented by blue-coated inserts on the case flanks. Water-resistant to 100 m, it frames a partially open-worked dial that’s finished with horizontal fluting as is standard for the Polo. Visible from both the front and back, the flying tourbillon is framed by a blue seconds ring on the dial, allowing the cage to double up as ...

Introducing – This Silently Released Full-Platinum Omega Speedmaster 321 is a 6-Digit Endgame Speedy Monochrome
Omega Speedmaster 321 Feb 10, 2025

Introducing – This Silently Released Full-Platinum Omega Speedmaster 321 is a 6-Digit Endgame Speedy

Back in early 2019, Omega announced the comeback of the legendary Calibre 321 – or at least a faithful recreation of the movement that powered the brand’s emblematic Speedmaster from its introduction in 1957 until around 1968, when the brand switched to the more reliable Calibre 861. The first watch with this historic movement inside […]

Ulysse Nardin Taps Designer Amoureuxpeintre for a Minimalist Skeleton SJX Watches
Ulysse Nardin Taps Designer Amoureuxpeintre Jan 30, 2025

Ulysse Nardin Taps Designer Amoureuxpeintre for a Minimalist Skeleton

A monochromatic reinterpretation of Ulysse Nardin’s skeleton watch with a prominent “X”, the Blast “Amoureuxpeintre” is a collaboration with Vsevolod “Sever” Cherepanov, a Kyrgyz streetwear designer also known as Amoureuxpeintre who was one of the first to use augmented reality prints on fabric. Restrained and minimalist, the new Blast has a 42 mm sandblasted titanium case and an unusual frosted sapphire dial that partially hides the skeletonised “X” movement, leaving the calibre only faintly visible. According to Ulysse Nardin, the artist drew inspiration for the design from frosted glass panels found in offices. Initial thoughts Renowned for pioneering silicon components in mechanical watchmaking with its groundbreaking Freak, Ulysse Nardin has made some odd design choices in recent years, including the decision to make the letter “X” a centrepiece of its designs. The collaboration with Amoureuxpeintre hides the “X” and transforms the Blast case into something low-key with its all-black finish, and the result is a surprisingly different, and appealing watch. Styling aside, the latest Blast is typical Ulysse Nardin in terms of mechanics, which is to say accomplished. Although the Blast collection does not share the same status or historical significance of the Freak, it still demonstrates Ulysse Nardin’s commitment to contemporary horology with a high-spec, in-house movement that has all of its regulator – hairspring, balance, escape, and pal...

Bulgari Introduces the Serpenti Automatic SJX Watches
Bulgari Introduces Jan 24, 2025

Bulgari Introduces the Serpenti Automatic

Bulgari upgrades its signature snake-inspired watch with an all-new, in-house movement. Retaining the familiar oval case, the Serpenti Automatic debuts in two variants, the Serpenti Seduttori Automatic and Serpenti Tubogas Automatic, both equipped with the BVS100 calibre. A hint of where the LVMH watch brands are going, the BVS100 is a compact, workhorse automatic movement developed by Bulgari and slated to be produced by sister brand Zenith for other brands in the LVMH stable. Initial thoughts The historical Serpenti in enamel is arguably an iconic women’s watch, and the modern-day take on the design is bigger, bolder, and sports cleaner lines. While the Serpenti Seduttori is more subtle, the Tubogas version is especially compelling with its double-twirl bracelet that is classic Bulgari. The in-house movement is a worthy upgrade for this iconic design, although the movement is an industrial calibre rather than a high-end creation. That, however, is reflected in the relatively affordable price of the entry-level models, which start at about US$10,000. While the price is on the high side for a time-only watch with a straightforward automatic movement, it can be rationalised by the iconic design and excellent bracelet work, even on the base models. All-new movement The Serpenti Seduttori is offered in seven distinct variations - stainless steel, yellow gold, rose gold, rose gold two-tone, and white gold - with the option of diamond settings for the yellow gold and whit...

Hublot Scales Down the Meca-10 to 42 mm SJX Watches
Hublot Scales Down Jan 21, 2025

Hublot Scales Down the Meca-10 to 42 mm

Hublot’s latest release, the Big Bang Meca-10 10-Day Power Reserve, may at first glance resemble the chunky original, but reveals a host of significant enhancements - most notably, a more wearable 42 mm case. The new Meca-10 retains the Meccano-inspired skeletonised movement finished to colour-match the case. The calibre boasts a 10-day power reserve indicated by an uncommon crémaillère system visible at 12 o’clock made up of a linear gear engaging a circular gear. Initial thoughts Long one of the more interesting but accessible watches in Hublot’s lineup, the Meca-10 was previously available only in a 45 mm case that rendered it less-than-wearable. Hublot has refined the Meca-10 by reducing the case diameter by substantial 3 mm, making it positively compact relative to its predecessor. Not only is the case smaller, it is also thinner at just 13.9 mm high, which is slim for a watch of this type. But the signature movement architecture has been retained, resulting in a watch that has the technical appeal of the original, but one more versatile and comfortable. While it may initially appear to be yet another skeletonised Hublot, of which there are many, the Meca-10 boasts an interesting manual-winding movement with an impressive 10-day power reserve and a distinctive movement architecture. Amongst Hublot’s more exotic watches, the Meca-10 stands out as being relatively affordable, with the key word being relatively. It starts at US$23,000 in titanium (and rises ...

Up Close: Biver Automatique SJX Watches
Dec 6, 2024

Up Close: Biver Automatique

The second watch launched by Biver, the Automatique is a three-hand time-only, functionally simple but elaborately executed. Even the base model has a surprisingly complex dial, but the Automatique is really all about the JCB-003 movement, which is a micro-rotor calibre that ranks up there as one of most impressive recent self-winding movements. Established by Jean-Claude Biver and his son Pierre, Biver got its start with a far more complicated watch, but the Automatique is arguably more impressive because it’s a simple watch executed in a complicated yet cohesive manner. The JCB-003 Initial thoughts Yet another time-only watch with a dressed up movement and hefty price tag – the formula feels a little worn out now. So the Biver Automatique surprises on the upside. I like it. The design is appealing and cohesive, while the movement is impressive. In contrast, when Biver debuted with the Carillon Tourbillon minute repeater, I thought “the quality is unmistakeable, the aesthetics are lacking”. The Automatique lives up to the same levels of quality – and maybe even more – but it is instinctively appealing, even considering the price. The solid gold dial of the entry-level version in rose gold Even though Biver is not an artisanal independent brand in the conventional sense of the word since neither of its founders are watchmakers, the JCB-003 movement is executed to a standard that equals many artisanal independents. The construction is thoughtful and sophisticate...

Explained: Dial Making at Rolex SJX Watches
Rolex One aspect Dec 6, 2024

Explained: Dial Making at Rolex

One aspect of a watch that is often overlooked - but ironically the one that is front and centre - is the dial. While often conservative in terms of design, Rolex is perhaps at its most expressive in the details of its dials, which blend classic elements with modern touches, all accomplished by modern manufacturing techniques and finishes. Even though a dial may seem simple on its face compared to the moving parts of the movement, dials are complex. Much goes into making a high quality dial, the dial blank, applied ornaments, surface finishing, gold indices, and more recently even grand feu enamel. A diamond-set dial for the Oyster Perpetual Day-Date Unsurprisingly Rolex takes dial making very seriously. Reflecting its long-term vision, Rolex has invested tremendously in every aspect of manufacturing wristwatches, including producing its own dials. Dial manufacturing of the highest quality, and at scale, is a challenge few have truly mastered. Rolex accomplished that with a dedicated dial-making facility in the Chêne-Bourg district of Geneva, located about 15 minutes from Rolex headquarters, where some 500 people work exclusively on dial conception, prototyping, and production. Notably, the Chêne-Bourg facility also does gem setting as well as the production of Cerachrom components like the GMT-Master II bezel insert. In-house dial making has given Rolex control of the entire process, allowing the brand to innovate, even in rethinking the very foundation of a dial, n...

Up Close: Citizen 100th Anniversary Pocket Watch SJX Watches
Citizen 100th Anniversary Pocket Watch Nov 27, 2024

Up Close: Citizen 100th Anniversary Pocket Watch

Historically known for cutting-edge solar-powered watches – including the most accurate wristwatch ever – Citizen has more recently embarked on growing its lineup of mechanical watches. That began with the well-received Calibre 0200 wristwatch, and continued this year with the 100th Anniversary of the First Citizen Watch Special Limited Edition, a vintage-inspired pocket watch equipped with the all-new cal. 0270 movement. Initial thoughts The anniversary pocket watch is surprising: the watch isn’t quite what it appears to be. At a distance it could pass for a vintage pocket watch, albeit a new-old-stock example, reflecting a design that stays faithful to the aesthetics of the railroad pocket watches that Citizen supplied to Japanese railways in the 20th century. However, it reveals itself to be a modern watch up close, firstly because of the unusual dial texture that mimics Japanese paper but is actually achieved with metal deposition. More importantly, the cal. 0270 is a newly developed movement. It was evidently constructed with old-school pocket watches in mind, but it features modern elements like a free-sprung balance and sharply-shaped bridges. As with the automatic cal. 0200 before, the quality of construction and finishing of the cal. 0270 is impressive, especially given the price. Amongst hand-wind movements in the US$10,000-and-below category, the cal. 0270 easily ranks amongst the best. However, the anniversary pocket watch is still a pocket watch, which m...

Glashütte Original Inverts the PanoLunar SJX Watches
Glashütte Original Inverts Oct 29, 2024

Glashütte Original Inverts the PanoLunar

One of the first brands to invert a movement and showcase it on the dial, Glashütte Original just released the PanoLunarInverse, a sibling of the PanoLunarTourbillon and PanoMaticInverse. Like the earlier models, the PanoLunarInverse has key parts of the movement on the dial, including the balance wheel, escapement, and three-quarter plate that’s finished with with pyramid guilloche. In addition, it features the brand’s oversized Panorama date at two o’clock and a large moon phase display. Initial thoughts Older Pano models tended to be conservative in style. The PanoLunarInverse, on the other hand, is modern in colour and decoration, setting it apart from its Pano siblings. The inverted construction is made more interesting with the pyramid guilloche, while the moon phase adds a bit of romance to the technical appearance of the dial. Some models in Glashütte Original’s Pano collection bring to mind the asymmetrical dial layout of another German brand (which is partly why Glashütte Original has never escaped the shadows of its peers), but the PanoLunarInverse feels original because of the combination of colour, decoration, and complication. Priced at US$42,600, the PanoLunarInverse is one of the pricier watches in the Pano collection, but it is reasonably priced considering the platinum case and movement decoration. This is typical of Glashütte Original, which sits in the accessible high horology segment alongside brands like Jaeger-LeCoultre. Inverse German wa...