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Results for GMT & World Time

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GMT & World Time

The traveller complications: Rolex's 1954 GMT hand and Louis Cottier's 1937 World Time mechanism.

3 Reasons The Rolex Day-Date 40 Convinced Me: A Very Rolexy Rolex Discussion Quill & Pad
Rolex Day-Date 40 Convinced Me Aug 5, 2024

3 Reasons The Rolex Day-Date 40 Convinced Me: A Very Rolexy Rolex Discussion

Rolex had never called out to Joshua Munchow as a watch that he must have or that would be the pinnacle of his collection. He thinks that this is because of the downsides to it being the most widely known watch brand in the world: forgeries and overexposure abound. So what is it about 2015's Rolex Day-Date 40 that turned him into a convert? Read on to find out.

Insight: The Geometric Efficiency of Escapements SJX Watches
Aug 5, 2024

Insight: The Geometric Efficiency of Escapements

Mechanical escapements remain the most fascinating and enticing field of horological study even in the 21st century. At its core, an escapement has a simple purpose: restore lost energy to the oscillating organ while regulating the discharge speed of the going train – thus allowing for time measurement. Straightforward as the concept is, executing an escapement well is a completely different affair. The escapement is perhaps the element of the mechanical movement that has undergone the most iterations since its invention. The reason is simple: escapements were, and remain, imperfect systems. In fact, the escapement is often the least efficient aspect of a mechanical movement in terms of energy transfer. That’s why watchmakers and engineers have devised innumerable variants in the search of the ideal escapement.  Explaining escapement efficiency In physics the efficiency of a system is the proportion of useful work done relative to the total work done by said system. The result, measured as a percentage, speaks to the energy conserved within the system. For example, an 80% efficiency means that 20% of the total available energy is lost, with the remaining 80% usefully conserved.  That said, an efficient escapement isn’t necessarily chronometrically-potent, since there are more criteria, apart from energy conservation, which reflect in a movement’s accuracy. The way in which escapement parts impulse to the balance, the proximity of the equilibrium point and the deg...

Rolex Watches For WWII POWs And The Great Escape Fratello
Rolex Watches Aug 2, 2024

Rolex Watches For WWII POWs And The Great Escape

World War II wreaked havoc around the globe. Many millions died, and at times, it must have felt like the end of the world as nations committed everything to defeating their enemies. Rolex also lent a hand in a small way by providing timepieces to prisoners of war (POWs). As a graduate history student, I […] Visit Rolex Watches For WWII POWs And The Great Escape to read the full article.

Introducing – The New Panerai Luminor Logo 44mm PAM01624 Monochrome
Panerai Luminor Logo 44mm PAM01624 Aug 2, 2024

Introducing – The New Panerai Luminor Logo 44mm PAM01624

When it comes to Panerai, we’ve seen the brand getting slightly out of track from time to time, with complex movements, smaller watches with low water-resistance and innovative materials that didn’t feel too convincing. So, when the brand introduces a nice-looking, straightforward model that does everything you want from a Panerai, we somehow have to […]

Two U.S. Exclusives from Grand Seiko Bring Back the Popular “Kirazuri” Dial Texture Worn & Wound
Grand Seiko Bring Back Aug 1, 2024

Two U.S. Exclusives from Grand Seiko Bring Back the Popular “Kirazuri” Dial Texture

While Grand Seiko’s history stretches back to the 1960s, the brand’s story in America is quite a bit more contemporary. Grand Seiko, for years, was a true hidden gem in the watch world, an insider’s secret that you had to be fairly deep into the hobby to stumble across in the days before the watch collecting “boom” that we’re still living through. It wasn’t until the Grand Seiko Corporation of America was formed in 2018 that the brand really put down roots in the United States. Obviously, from that point forward, Grand Seiko’s footprint has grown considerably, and we’re way, way past the point where anyone could credibly claim they’re an under the radar enthusiast’s secret. But for those of us who can remember a time well before their flagship NYC boutique, and before these watches were easily accessible anywhere in the states, their periodic US exclusive releases carry special significance.  The latest US exclusive limited editions, references SBGA507 and SBGA509, come at a time when Grand Seiko is experiencing enormous growth and success in the United States. These watches have been designed as a tribute to the very first US exclusive Grand Seiko releases, a trio of limited editions inspired by kirazuri, a traditional method used in Japanese woodblock printing that incorporates mica powder for a sparkling effect. Those limited editions have proven to be quite popular and collectible, so the release of the pair seen here should please collectors who...

(Video) Incredible Watch Engineering from a Brand You Need to Know – Armin Strom Gravity Equal Force Worn & Wound
Armin Strom Gravity Equal Force Aug 1, 2024

(Video) Incredible Watch Engineering from a Brand You Need to Know – Armin Strom Gravity Equal Force

The Armin Strom Gravity Equal Force is not like other watches. At a glance, it clearly doesn’t look like them, but more importantly, it also works a bit differently too, featuring a first in watchmaking. To be clear, it still tells time with three hands, is operated by a crown, and has all of the movement components one expects to find on a watch, from a mainspring to an escapement. But it hides a very cool secret. Something that sets it apart. Hidden within is a little mechanism that helps it be more accurate. It’s not a complication, per say, as it doesn’t add any functions beyond time-telling, rather, it makes for a better watch. The Gravity Equal Force is one of a small handful of watches that attempts to address a fundamental issue with mechanical timepieces: variations in accuracy across their power reserves due to changing torque. As the power reserve diminishes, the torque, or force, decreases, the amplitude of the escapement falls, and the timekeeping becomes less accurate. Watchmakers have addressed this issue in various ways over the last few hundred years, which are often grouped together and referred to as “constant force” mechanisms. The Gravity Equal Force uses a simple, though uncommon, mechanism compared to typical “constant force” systems such as fuseé, chains, and remontoirs called a Geneva or Maltese cross. This mechanism prevents the watch mainspring from unwinding to the point where the torque and, thus, the accuracy really drop off. Ho...

Interview: Edouard Meylan on Building H. Moser & Cie. for the Long Term SJX Watches
Richard Mille Aug 1, 2024

Interview: Edouard Meylan on Building H. Moser & Cie. for the Long Term

Edouard Meylan took the helm of H. Moser & Cie. just over a decade ago, after the brand was acquired by his family. Together with his brother Bertrand, who leads the brand’s distribution, the chief executive of Moser has successfully turned around a brand that was in dire straits when the Meylans took charge. Industry talk at the time was that the brand’s founder, a dental implant billionaire, had sunk some CHF100 million into Moser. Today Moser is an independent brand that’s widely regarded to be on sound footing. Despite the slowdown that is gradually taking hold in the luxury-watch industry, Moser will in all likelihood enjoy a longevity, unlike many of its peers in the independent watchmaking space. Notably, neither Edouard Meylan nor his brother are watchmakers, instead they are entrepreneurs in the mould of Maximilian Büsser and Richard Mille. Mr Meylan’s business sensibilities are apparent, as we discover in the interview below. Amongst other things, he explains why the Streamliner is capped at a third of overall revenue, despite being a runaway bestseller. He also discusses the brand progressive vertical integration, as well as the possibility of expanding his family’s holdings beyond the duo of H. Moser & Cie. and Hautlence. Bertrand Meylan (left), and Edouard Meylan The interview was edited for clarity and length. SJX: Moser recently got into Formula 1 [with the Alpine F1 Team sponsorship], and I understand you just returned from a race. Edouard Meylan...

Grand Seiko Quartz Guide: The SBGP013 Teddy Baldassarre
Grand Seiko Jul 31, 2024

Grand Seiko Quartz Guide: The SBGP013

Today we’re looking at one of the best ways to get into Grand Seiko if you’re just discovering the brand for the first time. Or maybe you’re just looking for your “one nice watch” and want something that can do it all. One that can go straight from the office to kicking back on the weekend, perhaps even dressing up for special occasions. A GADA watch, if you will. So if you’re just now starting to go down the rabbit hole of luxury watches, you’ve probably become somewhat familiar with Grand Seiko. The brand came into existence in 1960 as a high-end offshoot of Seiko, a shot across the bow of the Swiss watch industry, and a statement that its quality could match anything in the watchmaking world.  One thing you’ll notice as you start to look deeper into Grand Seiko is the astonishing level of craftsmanship that touches every part of every watch they make. Just like Rolex and Seiko itself, Grand Seiko is one of the most vertically integrated watch brands in the world – in other words, it manufactures nearly everything that goes into its watches. From finely polished stainless steel, precious metals, and high-intensity titanium cases to its innovative and beautifully finished movements and breathtaking dials that draw inspiration from nature, Grand Seiko does it all, going to some extraordinary lengths, including growing its own proprietary quartz crystals, and manufacturing the lubricants that go into each movement.  If you take a look at Teddy’s video ...

Introducing – The Breathtaking Elegance of the Andersen Genève Jumping Hours Black Jade Stone Monochrome
Jul 31, 2024

Introducing – The Breathtaking Elegance of the Andersen Genève Jumping Hours Black Jade Stone

Master watchmaker Svend Andersen has been a renowned figure on the independent watchmaking scene since 1980. The Danish watchmaker’s ingenious and original approach to complications, including his sophisticated calendar watches and world timers, has captivated collectors and top-tier watch brands for years. To celebrate his 40th anniversary in watchmaking in 2020, Svend Andersen produced a […]

Fratello Favorites: The Best Summer Watches At Three Different Price Points - Nacho’s Picks From Citizen, Zenith, and Singer Reimagined Fratello
Citizen Zenith Jul 31, 2024

Fratello Favorites: The Best Summer Watches At Three Different Price Points - Nacho’s Picks From Citizen, Zenith, and Singer Reimagined

It’s summer, and while the Swiss watch industry takes the month off, we’re picking our favorite watches once again! This time, however, we’re not sticking to a specific budget. Instead, we’re keeping the theme consistent but aiming at three different price categories - sub-€1,000, sub-€10,000, and a no-holds-barred, unrestricted category. The goal is to see […] Visit Fratello Favorites: The Best Summer Watches At Three Different Price Points - Nacho’s Picks From Citizen, Zenith, and Singer Reimagined to read the full article.

The Konstantin Chaykin Joker “Fiat Lux,” and, Just for Fun, Some of Our Favorites from the Wristmons Collection Worn & Wound
Konstantin Chaykin Jul 30, 2024

The Konstantin Chaykin Joker “Fiat Lux,” and, Just for Fun, Some of Our Favorites from the Wristmons Collection

When you first see one of Konstantin Chaykin’s “Wristmons” pieces, it’s hard not to think it’s an elaborate prank. The imaginative and mechanically complex character watches do not have the aesthetic trappings of the serious horology that is at work under (and above) the hood. They look like children’s toys, with familiar “faces” often borrowed from popular culture or our shared iconography. A truism in the watch world is that if you see someone wearing a Joker or any other Wristmons piece out in the wild, go talk to them. The conversation is certain to be more interesting than with the guy wearing the vintage Sub.  The latest entry in the Wristmons lineup is the Joker “Fiat Lux,” a limited run of just 38 pieces made for the Chinese market. This one is only barely recognizable as a Joker, though, as the dial has been heavily skeletonized, allowing the wearer to see the mechanism that allows for the watch’s unique display. The idea of “skeletonizing” a dial that depicts a face has a certain meta quality to it, and is probably worthy of an analysis all on its own, especially once you realize that the eyes in this edition have been hollowed out. For now, though, we can simply admire the Joker layout as if it’s been given an x-ray.  The skeletonization itself has been well executed and draws the eye across the dial in such a way that legibility isn’t really a problem, and you kind of naturally admire the craft inherent in the dial work. The cent...

Introducing – The New Hanhart Fly Navy Aerosphere Special Edition Monochrome
Jul 30, 2024

Introducing – The New Hanhart Fly Navy Aerosphere Special Edition

German brand Hanhart began manufacturing stopwatches in Switzerland before relocating to Germany in 1902, where it gained renown as a producer of Flieger (pilot’s) chronographs for pilots and naval officers during World War II. With a solid repertoire of vintage-inspired models, the new Fly Navy Aerosphere is a more contemporary watch and flies the insignia of Germany’s […]