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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.

Hands On: Singer Reimagined DualTrack SJX Watches
Singer Jul 28, 2026

Hands On: Singer Reimagined DualTrack

Having made its name with auto-racing central chronographs, Singer Reimagined recently debuted its first-ever GMT, the DualTrack. Retaining the aesthetic established by Singer’s chronographs, the DualTrack is a straightforward “caller” dual-time watch with a local time display and independent 24-hour ring. On the back, however, the DualTrack reveals its party trick: a manual wind movement with four visible barrels that combine for six days of power reserve. Developed by an unnamed specialist (that is probably Chronode), the ST5001 has four mainsprings spread out across the movement with the balance hoisted above them, making for an unusual construction and layout. Initial thoughts I like Singer’s original proposition of racing-inspired central chronographs, which are true to the brand’s origins as an offshoot of the cult Porsche 911 mod specialist, Singer Vehicle Design. The Track 1 chronograph was a good debut concept backed by an innovative movement. The DualTrack is similar, but simpler, more affordable, and also more practical. The DualTrack still has the retro-inspired, cushion-shaped case that’s approximately the same as that on the chronograph, making it a little chunky, but the size feels appropriate for a sports watch. It also feels good on the wrist; in contrast, the smaller Caballero with the same base movement feels too small. But instead of a central chronograph, the DualTrack has a pair of useful features: a second time zone and a long power reser...

Nodus and Raven Collaborate on their Fourth TrailTrekker Worn & Wound
Nodus Jul 16, 2026

Nodus and Raven Collaborate on their Fourth TrailTrekker

Nodus and Raven have collaborated once again for their fourth edition of their popular TrailTrekker watch, a sporty GMT with EDC design codes. This new release is perhaps the most EDC oriented yet, with the prominent use of forged carbon fiber front and center on the dial and bezel, as well as lots of decorative lume. It also represents the first time a TrailTrekker has crossed the thousand dollar mark, but this one feels like it’s a step up in terms of its ambition, and seeing all four on the Nodus website side by side, it’s clear the two brands are building out a product line that can be taken in a number of different directions going forward.  The new TrailTrekker Carbon maintains certain core design elements that Nodus and Raven have always adhered to with these watches. The basic principle is relatively simple: it combines the Nodus Contrail’s sporty case profile with Raven’s dial design (most notably in their Trekker series) that prioritizes legibility and functionality above all else. Each TrailTrekker, including the new Carbon version, also makes use of the Miyota 9075 GMT movement, an easy to operate “true” GMT that is a genuinely great option for travel.  A huge part of the appeal of the original TrailTrekker was its unique bead blasted “Clay” colored case finishing. This new edition appears to have a similar vibe, with a gray DLC treatment over the steel case and bracelet that is just a shade or two lighter than solid black. Nodus and Raven hav...

What’s The Watch You The Least, And Why Do You Still Have It? Fratello
Jul 11, 2026

What’s The Watch You The Least, And Why Do You Still Have It?

Every collection has one — the watch that sits quietly at the back of the box, rarely seeing wrist time, never quite fitting the rhythm of daily life. Mine is a Universal Genève Ferrovie dello Stato Mark II, and I would not part with it for the world. Go ahead and open your watch box […] Visit What’s The Watch You The Least, And Why Do You Still Have It? to read the full article.

Fratello On Air: These Are The Most Misleading Words In Watch Ads Fratello
Jul 7, 2026

Fratello On Air: These Are The Most Misleading Words In Watch Ads

Welcome back to another episode of Fratello On Air! Apologies for the late publishing time, but a baby and World Cup 2026 have us keeping odd hours. This week, we target a humorous but potentially dangerous subject. Misleading words when describing a watch, especially a vintage one, are rife within our hobby, so we attempt […] Visit Fratello On Air: These Are The Most Misleading Words In Watch Ads to read the full article.

A Brief History Of The Seiko Astron GPS Solar - Including Some Of The Best Models Made So Far Fratello
Seiko Astron GPS Solar — Jul 4, 2026

A Brief History Of The Seiko Astron GPS Solar - Including Some Of The Best Models Made So Far

Time from space. The light-powered Astron GPS Solar, which Seiko launched 14 years ago — this article is indeed a brief history of the Seiko Astron Solar GPS, not the groundbreaking Astron from 1969 — was the world’s first wristwatch to use satellite signals to set the correct time automatically. A 47 × 16mm case […] Visit A Brief History Of The Seiko Astron GPS Solar — Including Some Of The Best Models Made So Far to read the full article.

Hands On: Greubel Forsey Balancier QM SJX Watches
Greubel Forsey Balancier QM Partly Jun 29, 2026

Hands On: Greubel Forsey Balancier QM

Partly a new watch, partly a manifesto, the Greubel Forsey (GF) Balancier QM inaugurates the brand’s Qualité Musée (QM) designation, which codifies its approach to world-class construction and finishing. Building on the Balancier Contemporain platform, GF has succeeded in refining its ‘entry level’ time-only watch, which comes in a 39.6 mm white gold case and is limited to 33 pieces. Initial thoughts The Balancier QM feels immediately familiair. It should, since it borrows much of its architecture from the recently-discontinued Balancier Contemporain. But what it lacks in novelty, it makes up in execution. In fact, the brand could hardly have picked a better way to inaugurate its official quality standard, dubbed Qualité Musée (QM). Without complications or chronometric fanfare, the Balancier QM’s design puts finishing at the forefront. The self-proclaimed ‘museum quality’ standard would sound brash coming from most brands, but it feels reasonable coming from GF. This ambition is evident throughout the Balancier QM. Even if the branding were blinded, the quality of make will be obvious to future generations of restorers, who will be able to tell immediately that the Balancier QM was never a commodity item. Even if they miss the escape wheel, which is polished on both sides, the artfully rounded pallet stones should catch their attention. On a technical level, the Balancier QM is an evolution of the Contemporain and doesn’t break much new ground. It’s st...

Business News: Breitling's House Of Brands Joins Watches And Wonders For 2027 As Dates Unveiled Hodinkee
Patek Philippe Jun 23, 2026

Business News: Breitling's House Of Brands Joins Watches And Wonders For 2027 As Dates Unveiled

One of the largest watch group holdouts is heading to Watches and Wonders in 2027 as Breitling's House of Brands will join the world's premier luxury watch fair for the first time. Scheduled to take place April 5 to 11 in Geneva at Palexpo, with supplementary programs and exhibitions including the In The City events that debuted at the most recent edition, brands including Breitling, Gallet, Universal Genève and Italy's Damiani will exhibit alongside founding partners Rolex, Patek Philippe and Richemont brands, among others, according to a statement from the non-profit Watches and Wonders Foundation. The inclusion of the House of Brands group marks a significant addition for Watches and Wonders, underscoring its position as the most important annual gathering of Swiss and international luxury watchmakers, retailers, media, and the public each spring. The announcement follows news that Basel will return to the watch fair schedule with a new watch and jewelry show called Basilia that will follow during the same month, and leaves Swatch Group as the only major Swiss watchmaking conglomerate not participating in Watches and Wonders.  "The arrival of these new names represents an important milestone in the evolution of Watches and Wonders Geneva, and reflects the desire of major watchmaking Maisons to unite around a shared vision," Watches and Wonders organizers said in a prepared statement.  A record 65 brands participated in the event in 2026, including, for the first time...

First Look - The Cuervo y Sobrinos Gran Premio de Cuba Chronograph Trilogy Celebrates Havana’s Racing Heritage Monochrome
Jun 18, 2026

First Look - The Cuervo y Sobrinos Gran Premio de Cuba Chronograph Trilogy Celebrates Havana’s Racing Heritage

Cuba may be making headlines today for reasons far removed from motorsport, but there was a time when Havana was among the most glamorous destinations in the world. During the 1950s, the city was a vibrant mix of culture, entertainment and international sport, attracting celebrities, entrepreneurs, and racing drivers. It was the racing capital of […]

First Look - The New Yema Granvelle Renaissance CMM.29 Refines the French Brand’s Architectural Dress Watch Monochrome
Yema Granvelle Renaissance CMM.29 Refines Jun 9, 2026

First Look - The New Yema Granvelle Renaissance CMM.29 Refines the French Brand’s Architectural Dress Watch

Named after the historic Granvelle Palace in Besançon, home to the city’s Museum of Time, the Yema Granvelle collection (2025) embraced a more architectural and elegant approach, stepping away from the brand’s familiar world of dive watches and tool-oriented sports models, and offering a model with a distinctive cushion-shaped case and powered by one of […]

Beaucroft Introduces the Arc, an Elegant Everyday Watch with Impressive Specs Worn & Wound
Beaucroft Introduces Jun 9, 2026

Beaucroft Introduces the Arc, an Elegant Everyday Watch with Impressive Specs

The microbrand/independent scene in the UK is truly one of the most exciting in the world, with dozens of brands vying for attention and an always growing community of excited watch enthusiasts eager to experience just about everything on offer. This is very much the vibe every time we attend British Watchmakers’ Day and have a chance to experience it firsthand, and honestly it’s invigorating in a way to be placed in an enthusiast environment that feels familiar but also very specific to the UK.  One of the more interesting brands to emerge from this scene is Beaucroft, based in Cambridge. Beaucroft is not the flashiest or highest profile microbrand in the UK, but they’re on the rise, and they tend to make an impression when you actually see the watches in person. Garrett was such a fan of the Element when he saw one he decided to purchase it for himself. My moment of conversion came at British Watchmakers’ Day 2025, where I still regret not purchasing the Penfold Special Edition released that year. Their newest release has been dubbed the “Arc” and is an update of the Seeker model originally launched in 2023.  The Arc leans into the design language that was established with the Seeker and the brand has continued to refine in every model since, namely flowing, natural case lines paired with dynamic, colorful fumé dials. The dramatic curved mid-case is, according to the brand, inspired by the Bridge of Sighs over the River Cam, not far from Beaucroft’s head...

As Long as There is Light: A First-Hand Deep Dive on Citizen’s Eco-Drive Technology Worn & Wound
Citizen s Eco-Drive Technology Jun 1, 2026

As Long as There is Light: A First-Hand Deep Dive on Citizen’s Eco-Drive Technology

In the horological sphere, we associate the 1970s with the quartz crisis, but there was a more significant threat facing the world at large: an energy crisis. Oil consumption was reaching an all-time high with widespread international travel and car ownership becoming more prevalent and mainstream. Simultaneously, domestic oil production was dwindling in many countries, increasing pressure on imports. The situation reached a crisis when OPEC (the Organization of Petroleum Exporting Countries) imposed an oil embargo in 1973. So, getting back to watches – you’re probably wondering, what’s the connection? Like the United States, Japan was one of the countries impacted by this energy crisis. In response, Citizen Watch Company established an internal initiative to work toward developing a more sustainable and eco-friendly power source for its timepieces. In short order, the brand looked toward solar cell technology and had developed its own light-powered prototype by 1974. Two years later in 1976, we saw the world’s first light-powered analog watch, the Crystron Solar Cell. This technology would later come to be called Eco-Drive and celebrates its 50th anniversary in 2026. You’ve probably already read about the flagship anniversary Eco-Drive model covered by our own Zach Kazan at its launch earlier this year, but this spring, in peak cherry blossom season, Citizen opened the doors of its manufacture for the first time in years to pull back the curtain on just how the ...

In Depth: Leroy 01 SJX Watches
Breguet No 160 May 22, 2026

In Depth: Leroy 01

The pocket watch format is experiencing an unexpected renaissance. From auction salerooms to high street queues, collectors of all stripes are talking about pocket watches more than at any time in recent memory. That makes it a perfect time to continue our series on groundbreaking historical pocket watches, including Breguet No. 160. This installment analyses the Leroy 01, which reigned as world’s most complicated watch — by most measures — for 85 years. The calm before the storm On the first of November 1897, Charles Piguet began work on an ébauche for which no contract yet existed. In his workshop at Le Sentier, a stone village strung along the floor of the Vallée de Joux at an altitude where winter arrives early and stays long, he opened a commission that would occupy the better part of seven years and produce the most complicated portable timepiece ever constructed. The formal agreement with his client, the Parisian house of L. Leroy & Cie — formerly known as Le Roy & Fils — would not be signed until January 1898. Piguet started anyway. In the Vallée de Joux, a man’s word was sufficient. This detail — two months of work before the ink dried — says something essential about the relationship between the French brand and the Swiss établisseurs on whom it depended. L. Leroy & Cie, founded in Paris in 1785 by Basile-Charles Leroy, had maintained that relationship across generations. When Louis Leroy, who had acquired the firm in 1889 and established a ma...

The Serica 7505 Series Creatively Revisits The Brand’s Inaugural Field Watch Fratello
Serica 7505 Series Creatively Revisits May 21, 2026

The Serica 7505 Series Creatively Revisits The Brand’s Inaugural Field Watch

Time flies, doesn’t it? I first had a chance to try out the Serica 4512 California back in 2021. Since then, we have seen plenty of remarkable releases from the Parisian brand. The steadily growing collection was extended with a diver, a travel GMT, and a dress watch. On top of that, Serica kept us […] Visit The Serica 7505 Series Creatively Revisits The Brand’s Inaugural Field Watch to read the full article.

Auctions: The Five Results That Actually Mattered, From The Spring 2026 Auction Season Hodinkee
Rexhep Rexhepi May 12, 2026

Auctions: The Five Results That Actually Mattered, From The Spring 2026 Auction Season

The watch world hasn't seen an auction season like this in quite some time. Well, ever, frankly. Phillips set multiple records (43 by their count, though many are quite obscure), including a new record for the highest single sale of $96,328,083, besting their result from just last fall. If you add in their online auction, they passed $100 million for the first time ever. Sotheby's smashed the record for the most expensive A. Lange & Söhne ever (for a pocket watch, we might add)—a record that only stood for a few weeks, set during the house's Hong Kong sale. But it wasn't so much the overall numbers that were shocking as the fact of which watches were selling for what prices. So, what the heck is going on? Well, we were watching; some of us from afar, others (Andy Hoffman) in the auction rooms. Instead of focusing solely on broad strokes, let's look at five specific results and why they matter for the market. A Bog-Standard Stainless Steel Akrivia AK-06 is Now a $3.8 Million Watch, 30 Times Its Original Retail Rexhep Rexhepi is the hottest watchmaker of the new, young generation, and it's not particularly close. That's not a dig on his contemporaries, but rather a reflection of the realities of the market, where people are clamoring (to an unbelievable degree) to buy a watch from a man who has made very few watches in the first place, and the few that have come to market reach astronomical prices. There aren't many data points to go off of. Only twelve Akrivia or Rexhep ...

Stowa Introduces the Field Watch Terra Collection Worn & Wound
Tudor May 4, 2026

Stowa Introduces the Field Watch Terra Collection

Far from the splashy and blingy arenas of the dive and dress watch world, the humble field watch nevertheless represents a key corner of every watch enthusiast’s heart. Versatile, wearable, and most importantly, durable, the field watch is getting its time in the sun with new releases from big brands like Tudor and Sinn, but it’s also remained a stalwart hero of the microbrand world. Straddling that gap is the German brand Stowa, who has been making mechanical watches since 1927. Known largely for their Bauhaus designs, their Fieldwatch collection occupies a more recent niche in the brand’s history. The new Stowa Terra Fieldwatch designs are keeping that adventurous spirit going.  Three new colorways debut with the Terra designation: Soil, Forest, and Desert. Following the field watch mantra of “less is more” each Terra model measures in at 38mm in diameter and 11.50mm in height to make for a relatively effortless wear on the wrist. Across the three models, the case is stainless steel and finished in a gray PVD coating for a tactical look. The Soil model sports a brown dial, with the Forest and Desert featuring “khaki” green and beige respectively. All three colors are muted and earthy, contrasting with the red minute markers around the minute track, a red Stowa icon below 12 o’clock, and the red-tipped seconds hand. In classic field watch fashion, there is no date window, and an inner 24-hour ring adds even more concentricity to the dial.  Black steel ha...

Fratello’s Top 5 Audemars Piguet Royal Oak “Jumbo” Alternatives In 2026 Fratello
Audemars Piguet Royal Oak “Jumbo” Alternatives May 1, 2026

Fratello’s Top 5 Audemars Piguet Royal Oak “Jumbo” Alternatives In 2026

Another Friday, another list. After last week’s list of Tudor Black Bay alternatives, we’ll move on to one of the watch world’s biggest icons. It’s time to check out our five favorite alternatives to the iconic Audemars Piguet Royal Oak “Jumbo.” This watch is widely regarded as having spawned a new genre in 1972, and […] Visit Fratello’s Top 5 Audemars Piguet Royal Oak “Jumbo” Alternatives In 2026 to read the full article.

Introducing: Naoya Hida & Co.'s 2026 Slate Of Releases, Including Two Brand-New Models And Their First Porcelain Dial Hodinkee
Naoya Hida Apr 30, 2026

Introducing: Naoya Hida & Co.'s 2026 Slate Of Releases, Including Two Brand-New Models And Their First Porcelain Dial

What We Know It's spring, which means it's time for Naoya Hida's annual trunk show, where the brand tours the world to showcase its new watches. If you're in town for one of their few stops (like next week in New York), you can treat it like any tailor's trunk show and find out if the watch is a good fit. And every year, Hida-san and his team unveil a few new styles. In fact, you can see the ten releases on offer below. Some are familiar; others have small tweaks (the Type1 is now the Type1E because of the new domed crystal that makes it 10.9mm). But there are three watches that are so distinctly new that it's worth talking about. Let's go in numerical order, starting with a watch that is essentially just a dial revision, but it's a dramatic one at that. The Type2 series has been around for six years now as the brand's central seconds movement, followed by revisions in 2021 and then the coveted collaboration with The Armoury in 2022, called "The Lettercutter." I know a lot of people fought to get that piece, but there's a new Type2C-2 that's going to get some attention. While a big draw for Naoya Hida is the hand-engraved German or Argentium silver dials (in fact, that's where a lot of the price goes), they've pivoted here to their first-ever porcelain dial. The watch, powered by a Cal. 3020CS manually-wound movement with 45-hour power reserve and 4Hz beat rate, is cased in 37mm by 11.4mm stainless steel with a 44.8mm lug-to-lug. The glass is a curved sapphire crystal with...

Introducing: Christopher Ward Overhauls The Sealander Line With Design Refinements And Upgrades Hodinkee
Christopher Ward Overhauls Apr 29, 2026

Introducing: Christopher Ward Overhauls The Sealander Line With Design Refinements And Upgrades

What We Know The Sealander sits at the core of Christopher Ward's lineup, serving as its everyday, approachable, price-conscious, do-it-all Swiss-made watch. For those considering a Christopher Ward for the first time and looking for a sport watch with the most bang for the buck, the Sealander GMT or Automatic three-hander has been a logical go-to. It's also been a major seller, with the 39mm white dial GMT often taking the honors as the top-volume model for the U.K.-based company. So when Christopher Ward embarks on a major overhaul and redesign of the Sealander collection, it's a significant moment.  Unveiled today, and on sale beginning tomorrow, the new models bring a slimmer case and upgraded movement for the Automatic, refinements to the case and dial design for both models, a new 42mm size for the GMT, and upgraded, more user-friendly bracelets with tool-free adjustment and link removal. Starting with the Sealander GMT, the brushed case has been redesigned, giving a more refined, thinner profile and sporty finish, and is available in 36mm, 39mm, and, for the first time, 42mm. The new case offers sharper lugs with distinctly faceted, polished edges. The upgraded, refined finishing further emphasizes the crown guards that remain on the GMT case, adding to the overall rugged appearance.  The brushed 24-hour fixed bezel with black lacquer-filled numbers is now less angled with a flatter profile to improve legibility while giving the watch more presence across the thre...

Hands-on - The Frederique Constant Worldtimer Manufacture, Reworked Monochrome
Frederique Constant Worldtimer Manufacture Reworked When Apr 28, 2026

Hands-on - The Frederique Constant Worldtimer Manufacture, Reworked

When it launched in 2012, Frederique Constant’s Worldtimer Manufacture made waves in the watch world. A complication usually found in far pricier watches, it delivered in-house world time functionality with an “accessible luxury” price tag. Not content to rest on its laurels, FC unveiled a new and improved Worldtimer at Watches & Wonders this year […]

Introducing: The Stealthy Laurent Ferrier Sport Traveller Fratello
Laurent Ferrier Sport Traveller Last year Apr 14, 2026

Introducing: The Stealthy Laurent Ferrier Sport Traveller

Last year, Laurent Ferrier introduced the Classic Traveller Globe Night Blue. It was the brand’s perspective on the modern traveler’s watch. It featured a date window at 3 o’clock, a window for home time at 9, and a nighttime-inspired world map. If you thought the Classic was a bit too, well, classic for your taste, […] Visit Introducing: The Stealthy Laurent Ferrier Sport Traveller to read the full article.

Can’t Stop, Won’t Stop: Announcing Our Return to the 2026 Ride to Conquer Cancer Worn & Wound
Ming Apr 9, 2026

Can’t Stop, Won’t Stop: Announcing Our Return to the 2026 Ride to Conquer Cancer

Last year, for the first time, Worn & Wound supported and participated in the Ride to Conquer Cancer, a two-day, 200+ kilometer cycling event through Southern Ontario, Canada, which raises funds for the Princess Margaret Cancer Centre-one of the world’s leading cancer research institutions. the watch community demonstrated incredible generosity. Several Worn & Wound team members joined team “Can’t Stop Won’t Stop”, and we raised over $51,000 for cancer research. It was a powerful example of what this community can achieve when we rally behind a vital cause. Today, I’m proud to announce that our team is officially returning for the 2026 Ride to Conquer Cancer. Returning riders include myself, Matt Smith-Johnson, Atom Moore, and Brea Taylor-Munro. We are also pleased to welcome a new member to the team: Craig Tough. Craig joins us as we aim to surpass last year’s fundraising total and increase our impact on cancer research. Our 2026 Partners Last year set a high bar for fundraising, but this year we’re aiming to do event better. We’re raising funds in three ways – corporate donations, individual donations, and collaborative products (more on that in a bit). We’re grateful for the support of several industry partners who are helping us reach our goals this year. They are: Each of these partners has generously contributed to our initiative, forming a strong foundation for the rest of our fundraising campaign. Limited Edition Collaborations To support ou...

Watches And Wonders 2026 - What To Expect From The Year’s Biggest Week In Watches Fratello
Apr 6, 2026

Watches And Wonders 2026 - What To Expect From The Year’s Biggest Week In Watches

It’s that time again. From April 14th to 20th, the watch world will return to Watches and Wonders Geneva, and the 2026 edition is shaping up to be the biggest, busiest, and most expansive yet. With 64 exhibiting brands and an increasingly city-wide footprint, this is no longer a mere trade show. It’s the moment […] Visit Watches And Wonders 2026 - What To Expect From The Year’s Biggest Week In Watches to read the full article.

New Release: Lab Series 1 by Holthinrichs Watches skilfully transports us into a retrofuturistic reality Quill & Pad
Holthinrichs Watches skilfully transports us Apr 2, 2026

New Release: Lab Series 1 by Holthinrichs Watches skilfully transports us into a retrofuturistic reality

Today, I present two new models that caught my attention: the automatic Lab Series 1.S, which offers the rare combination of automatic winding and small seconds, and the Lab Series 1.GMT, featuring a straightforward second time zone function with a central 24-hour GMT hand. The post New Release: Lab Series 1 by Holthinrichs Watches skilfully transports us into a retrofuturistic reality appeared first on Quill & Pad.

Baltic Introduces the Heures du Monde Worldtimer, with Three Stone Dial Options Worn & Wound
Vacheron Constantin Mar 31, 2026

Baltic Introduces the Heures du Monde Worldtimer, with Three Stone Dial Options

When we last checked in on Baltic, they were retiring one of their most popular lines, at least for the time being, with a diamond set version of their MR dress watch. It felt like an appropriate send off for the MR, which I think will be remembered as the release that put the watch world on notice that Baltic was capable of executing in categories other than purely sporty vintage inspired designs. The fact that the last MR prominently features Moissanite stones really reflects the path Baltic finds themselves on now, stretching well beyond what was frankly a somewhat generic playbook in the early days.  Their latest collection, the Heures du Monde, is a worldtimer that further reinforces that idea. This is a tribute, of sorts, to the work of Louis Cottier, the Swiss watchmaker who effectively invented the modern worldtimer, creating movements for Patek Philippe, Vacheron Constantin, and others. His worldtimers are of course highly sought after by high end vintage collectors not just for their aesthetic beauty, but their historical significance. The principle behind Cottier’s movements, that the wearer should see the time in every timezone at once, at a glance, via rotating time zone and 24 hour scales, has become the predominant method for executing worldtime watches and is considered the standard in the watch industry.  For the Heures du Monde, Baltic has modified a Soprod C125 caliber by removing the date and replacing the GMT hand usually found with that movement w...