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Results for ISO 6425 (Diver's Watch Standard)

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Hugues’ Accomplishment: The Story of Hugues Bürki SJX Watches
Longines can actually trace their Feb 9, 2026

Hugues’ Accomplishment: The Story of Hugues Bürki

Nestled in the Jura Mountains, La Chaux-de-Fonds has been a cradle of Swiss watchmaking ever since its watchmaking school, the Technicum, opened in 1865. For aspiring watchmakers, the climax of their training was traditionally the creation of a montre école – or what’s known as a school watch. This is the story of Hugues Bürki, a Technicum alumnus, who built what would become a record-breaking school watch, and who would later make horological history as a movement engineer. Hugues Bürki. Image – author The Technicum The watchmaking school of La Chaux-de-Fonds was founded in 1865. In its early days, the school occupied rooms inside the modestly named ‘Technicum’, a local vocational-technical school. By 1885, the school’s own building had been inaugurated, yet the name Technicum stuck. In 1933, in the wake of the global economic crisis, the nearby watchmaking schools in La Chaux-de-Fonds and Le Locle were merged to form the Technicum Neuchâtelois. The Technicum in the 1960s. Image – author It demands attention that both divisions of the Technicum Neuchâtelois had a particularly strong focus on high-precision chronometry at the time compared to other watchmaking schools in Switzerland, which specialised in other domains, such as the construction of complications and traditional finishing techniques. In fact, some of the innovations in chronometry we associate with brands like Longines can actually trace their roots to the Technicum Neuchâtelois, including...

Introducing: The Parmigiani Fleurier Tonda PF Micro-Rotor Agave Blue Fratello
Parmigiani Fleurier Tonda PF Micro-Rotor Agave Feb 8, 2026

Introducing: The Parmigiani Fleurier Tonda PF Micro-Rotor Agave Blue

If you’ve listened to Balazs and me on Fratello On Air, you’ll know that I have a huge crush on Parmigiani Fleurier. Specifically, the Tonda PF 36mm is on my radar, but if my wrist were larger, today’s watch would be a likely candidate. Specifically, the brand has introduced the Tonda PF Micro-Rotor Agave Blue, […] Visit Introducing: The Parmigiani Fleurier Tonda PF Micro-Rotor Agave Blue to read the full article.

Sunday Morning Showdown: Seiko Rotocall Re-Editions Vs. Casio G-Shock Square In Steel Fratello
Seiko Rotocall Re-Editions Vs Casio Feb 8, 2026

Sunday Morning Showdown: Seiko Rotocall Re-Editions Vs. Casio G-Shock Square In Steel

Good morning, Fratelli, and welcome to another Sunday Morning Showdown. Today will be a fully digital installment. When Seiko introduced the “Rotocall” re-editions, many enthusiasts got excited. The original ’80s watch, also known as the “Astronaut,” was used on many space missions, and its practical, uniquely designed bezel is a standout feature. We already put […] Visit Sunday Morning Showdown: Seiko Rotocall Re-Editions Vs. Casio G-Shock Square In Steel to read the full article.

Introducing: The Urwerk UR-100V Lightspeed Ceramic Fratello
Urwerk UR-100V Lightspeed Ceramic Urwerk Feb 6, 2026

Introducing: The Urwerk UR-100V Lightspeed Ceramic

Urwerk is always up to something fun, and today’s new UR-100V Lightspeed Ceramic is proof. While we’ve seen this complication before, it now comes with some novel material innovations. Let’s have a closer look. It doesn’t feel like so long ago that we were visiting Urwerk’s headquarters during Geneva Watch Days. However, only six months […] Visit Introducing: The Urwerk UR-100V Lightspeed Ceramic to read the full article.

Hands On: Audemars Piguet Neo Frame Jumping Hour SJX Watches
Audemars Piguet Neo Frame Jumping Hour Feb 6, 2026

Hands On: Audemars Piguet Neo Frame Jumping Hour

Having celebrated its 150th anniversary in 2025, Audemars Piguet (AP) has kicked off 2026 with a slate of new models, including one of the most complicated watches in its history. But it was a simpler watch that that generated the most buzz at the glamorous launch event in the Swiss alps: the Neo Frame Jumping Hour, which is both a new watch and the beginning of a new collection that replaces the [Re]master series. The Neo Frame is a regular production wristwatch in 18k rose gold inspired by the Pre-model 1271, a historical AP reference from 1929. Though rooted in the Art Deco era, the Neo Frame is an eminently modern watch with a novel case and dial construction and the brand’s latest-generation automatic movement. Initial thoughts The name Audemars Piguet is nearly synonymous with that of its signature product, the Royal Oak. While many brands would probably trade their entire catalogues to have a single hit like the Royal Oak, AP has sought to diversify its product line up with the introduction of collections like the Code 11.59 and the short-lived [Re]master series. Despite these efforts, the Royal Oak family remains AP’s commercial engine, making the introduction of a new collection, anchored by a rectangular jumping hours watch, especially notable. The jumping hours complication seems to be enjoying renewed interest among collectors, which makes release of the Neo Frame feel timely. But up close and on the wrist, it doesn’t look or feel like anything else on t...

Breitling Launches First Titanium Navitimer in New Aston Martin Collab Teddy Baldassarre
Breitling Feb 5, 2026

Breitling Launches First Titanium Navitimer in New Aston Martin Collab

Breitling announced today that it has become the Official Watch Partner of  British luxury carmaker Aston Martin and the Aston Martin Aramco Formula One racing team. The multi-year global partnership, which marks the Swiss watchmaker’s return to the high-octane world of F1 motorsports after many decades, kicks off with a wristwatch milestone: the Breitling Navitimer B01 Chronograph 43 Aston Martin Aramco Formula One Team, which is no less than the first timepiece in the iconic Navitimer series with a case made of lightweight titanium.  The two world-renowned companies have some ties throughout their prestigious histories. Breitling, while it has not been as visible in the racing world over the years as brands like Rolex and TAG Heuer, was an early contributor to motorsport timing. In 1907, Léon Breitling, who had founded his eponymous watchmaking firm in 1884, invented a device called the “Vitesse” (French for “speed”), a mechanical chronograph capable of measuring speeds up to 250 miles per hour. Its utility and precision spurred the Swiss police to adopt it for speed enforcement, which led to the world’s first speeding tickets. Just six years later, in 1913, Lionel Martin and Robert Bamford drove their hand-built automobile to a defining victory up the treacherous Aston Hill, giving their company a name and kicking off a long tradition of making cars built for both performance and luxury. The paths of the Swiss high-horology house and the British marque cr...

Affordable Vintage: the Longines Grand Prize Worn & Wound
Longines Grand Prize Longines Feb 4, 2026

Affordable Vintage: the Longines Grand Prize

Longines is a storied and well-respected Swiss watch manufacture that formed in 1832 and has continued uninterrupted to this day. From the first wrist chronometer in 1911, to groundbreaking flyback chronographs in the 1930s, to the world’s first hi-beat wrist chronometer in 1959, Longines holds their own in the watchmaking world.  My favorite period for watches is the 1950s through the 1970s and Longines was one of the top accessible brands during that time. In 1954 Longines began a marketing strategy of product families, launching the Conquest line of watches. In 1957 they introduced the Flagship line, adding to what would become a large group of watch families, many of which are still made today. Other lines that came later include the Admiral, the Ultra-Chron and the Grand Prize. The Grand Prize line was named in honor of the multitude of watchmaking awards and honors that Longines had accumulated over the decades. It was a relatively short-lived family, produced from about 1958 to 1964 according to my research. I have found that the majority of Longines watches produced during these decades were all fairly equal in quality and craftsmanship, with most of the differences in the families being design related. The Conquests were rugged and sporty, on par with the early non-diver Omega Seamaster watches. The Flagship series were dress watches, while the Admiral line was a mixture of both. The Grand Prize family were pretty much all thin, elegant everyday type dressier w...

First Look – The Vacheron Constantin Overseas Tourbillon Titanium, Now In Ruby Red Monochrome
Vacheron Constantin Overseas Tourbillon Titanium Now Feb 4, 2026

First Look – The Vacheron Constantin Overseas Tourbillon Titanium, Now In Ruby Red

Vacheron Constantin’s Overseas luxury sports watch family is now in its third generation, but its roots trace back to the 222 model of 1977. A well-represented collection with complications and straightforward time-and-date models, the Overseas is widely acclaimed for its attractive design, high-end finishings, in-house movements and versatility. In 2019, a tourbillon was added to […]

The Dawn of Heuer Dive Watches: How A House of Chronographs Saved Itself By Embracing The Depths Worn & Wound
Piaget Feb 3, 2026

The Dawn of Heuer Dive Watches: How A House of Chronographs Saved Itself By Embracing The Depths

Few other watchmakers enjoyed as much success and cachet as Heuer, especially during the fervent 1960s and 1970s. Not only had it launched one of the world’s first automatic chronographs, but it pushed the envelope on modern design with midcentury-cool chronographs like the uniquely square Monaco. Heuer was riding high on the glamor of Grand Prix: the Heuer shield was as indelible to the backdrops of Monza and Le Mans as Ferrari, Porsche, and McLaren themselves as the official timekeeper of Formula One.  But, inevitably, the quartz revolution came for Heuer. Jack Heuer was the third-generation CEO of the company that bore his name, and he had been a savvy marketer, personally hawking chronographs to drivers like Jo Siffert and Nikki Lauda. By the 1980s, however, he found himself backed into a corner, and in 1982, he was forced to sell the company to Piaget and Lemania-a humiliating low point in his life, as he recounted in his autobiography.  Yet, before he departed, he gave Heuer one saving grace. In 1979, he commissioned Heuer’s first dive watch, the Professional Series. At a trade show Jack had overheard a brief conversation about the unreliability of existing dive watches, and he aimed to emulate Rolex’s success with the Submariner and Sea-Dweller. (Incidentally, Rolex owned half of Heuer’s stock market shares, and nearly took over the company around this time.)  Photo by Blake Rong Heuer had spent the decade building an electronic timing division, which b...

Traska Introduces their First Chronograph Worn & Wound
Rolex Feb 3, 2026

Traska Introduces their First Chronograph

While the news today is dominated by big releases from Holy Trinity brands that will be nearly impossible for mere mortals to see in person, let alone buy, Traska has what feels like an antidote, or at least a cleansing breath when it feels we’re being flooded with watches that fall into the dreaded “hype” category. Their first new watch in nearly four years is also their first chronograph (conveniently named, the Traska Chronograph) and it applies much of the brand’s ethos into a platform that we’re honestly surprised they hadn’t pursued to this point.  If you need a refresher on Traska, we invite you to read up on Venturer GMT, which Griffin reviewed recently here. While this is a look at one specific watch, Griffin gets to something about how we understand Traska, which is that they produce watches that are part of a long lineage of purpose built tools. The word “Rolex” is invoked multiple times in that Venturer review not because Traska has a connection to that brand’s current status as the most well known luxury object in the world, but to a previous state when watches were prized for their simplicity and usefulness. Rolex made great leaps from the middle of the last century onward simply by standardizing a design language for sports watches that has become definitional to the category at this point, and I think what Traska is doing with a commitment to using steel hardening treatments and offering other points of value in every watch while adhering...

Monochrome Teams up with Angelus for their Latest Montre de Souscription Limited Edition Worn & Wound
Armin Strom Feb 2, 2026

Monochrome Teams up with Angelus for their Latest Montre de Souscription Limited Edition

One thing that we’ve learned quite clearly over the last decade or so is that there are a lot of different ways to release a limited edition watch, particularly a collaborative limited edition. Our friends over at Monochrome have a particularly interesting way of doing it, with their Montre de Souscription series, which makes limited edition watches available on a “subscription” basis, a throwback to a very old way of selling watches. This is essentially the offer of a pre-order with money down, that allows the watchmakers to begin working on the pieces to be sold later. The concept has evolved and become quite common, but in the early days of watchmaking this was the only way that fine watches could be made and that everyone involved could make a living at it, so the term has come to evoke classical watchmaking in a very real way. For their part, Monochrome has chosen to work with some very esteemed and similarly old-fashioned independent brands since this series launched in 2020, including Habring (twice), Armin Strom, and Czapek.  Last week, they debuted the latest MDS series watch, the Montre de Souscription 5 x Angelus Chronographe Tachymètre. This is a new spin on the Chronographe Télémètre, a watch that was among our favorite debuts at Watches & Wonders last year. As you might guess from the name, the new piece made with Monochrome switches out the telemeter scale on the chronograph for a tachymeter.   There are other little changes as well, but the mos...

Watches, Stories, & Gear: Magic Mushrooms, New EDC, and one of the Simplest Tools We’ve Ever Seen Worn & Wound
Jan 31, 2026

Watches, Stories, & Gear: Magic Mushrooms, New EDC, and one of the Simplest Tools We’ve Ever Seen

“Watches, Stories, and Gear” is a roundup of our favorite content, watch or otherwise, from around the internet. Here, we support other creators, explore interesting content that inspires us, and put a spotlight on causes we believe in. Oh, and any gear we happen to be digging on this week. We love gear. The Global Travel Stash from Matador  Here at Worn & Wound, much of the team is gearing up for what will be a rather intense season of travel. Between trade shows, Windup, and maybe even some personal travel (imagine that!) a lot of us are thinking about where we’re going and what we’ll be bringing along with us to make those trips as smooth as possible (but honestly, we don’t need much of an excuse to think about the gear side of things).  To that end, a new piece of kit from Matador caught our eye recently. The Global Travel Stash is a low profile, weatherproof carry solution meant to house your most important travel essentials. Things like cash, credit cards, your passport, keys – all the little things that you absolutely need to keep secure. The Global Travel Stash is also RFID blocking and can be carried like a wallet or around your neck or even as a cross-body “bag” if you’d prefer. Check it out at the Matador website here. The retail price is a very reasonable $49.  The Leatherman OPNR  We love a ridiculously simple everyday carry solution, and the new OPNR from Leatherman is about as straightforward as it gets. This extremely minimal keychain ...

Who Was Raymond Weil? Fratello Talked To His Grandson To Learn More About The Brand’s Founder Fratello
Raymond Weil Jan 31, 2026

Who Was Raymond Weil? Fratello Talked To His Grandson To Learn More About The Brand’s Founder

He might not have been a watchmaker by training, but Raymond Weil (1926–2014) did start an eponymous watch brand. Remarkably, he did so at the age of 50 in 1976. The timing is defiant. Cheap quartz watches were already wreaking havoc on the Swiss watch industry, and a man in his 50s, especially back then, […] Visit Who Was Raymond Weil? Fratello Talked To His Grandson To Learn More About The Brand’s Founder to read the full article.

Speedmaster Reduced vs. Speedmaster Professional: Comparison Review of Teddy Baldassarre
Jan 30, 2026

Speedmaster Reduced vs. Speedmaster Professional: Comparison Review of

The Omega Speedmaster is among the heavyweight champions of the watch world. For so many out there, it's the entryway into the enthusiast community, a jumping-off point before taking the plunge into watches as a hobby, and the Speedmaster continues to be one of the most recognizable names in the industry. Today, we’re going to get a little more granular on the subject and put two iterations of the icon, which have been the subject of much debate, head-to-head: the Speedmaster Reduced and the classic Speedmaster Moonwatch Professional. Down below, I’ll set up the scene with a little history lesson, and then break down the key similarities and differences between the two to keep in mind.   [toc-section heading="History and Context"]  As one of the legends of watchmaking, the story of the Speedmaster is one often told and retold, so I will keep things quick and to the point here. If you want to go more in-depth on its backstory, feel free to break away from this article and head to our complete guide to the Speedmaster here. A symbol of the Space Race era, the Omega Speedmaster is most well-known for its role on the Apollo 11 mission in 1969, which officially made it the first watch to ever be worn on the Moon. It’s the watch that’s been aboard all six of the moon landing missions, thus earning the “Moonwatch” title once and for all. Taking off from its original motorsport-oriented intent to be the chosen watch of space exploration, the key DNA of the Speedmast...

eBay Finds: Seamasters Galore and More! Worn & Wound
Omega Seamaster DeVille  First up Jan 30, 2026

eBay Finds: Seamasters Galore and More!

eBay Finds is back! This bi-monthly installment will feature a selection of watches currently listed on eBay that have caught the eye of editor Christoph McNeil (@vintagediver). If you come across any hidden gems on the ‘Bay drop us a note at info@wornandwound.com for potential inclusion. Vintage Omega Seamaster DeVille  First up this week we have a fresh and beautiful vintage Omega Seamaster DeVille dress watch. The 34mm yellow gold cap case is in nice shape, with classic 1960s slim lugs. The steel back has a nice, deeply engraved Hippocampus logo medallion. The case is a front-loading type, but this time the seller was kind enough to remove the movement so we can see that pink gold automatic caliber 563 beauty. The movement is clean and runs well per the seller. The serial number on the movement dates this one to 1967. The silver dial has an elegant linen finish to it, with gold stick markers and slim gold stick hands. There is of course a date window at 3 o’clock. The dial is super clean and looks original to me. The crown is correct for this model and signed with the Omega logo as it should. Even the acrylic crystal is signed with the Omega logo on the underside of the middle, which is always a huge plus. Great looking original vintage Seamaster DeVille dress watch. View auction here 1960s Wittnauer “Mystery Dial”  Here is a spectacular vintage Wittnauer “mystery dial” watch. The mystery dial is a design where the minute hand is normal, but the hour hand ...

Masterpieces of Modernism: Swatch Debuts Guggenheim Collaboration SJX Watches
Swatch Jan 30, 2026

Masterpieces of Modernism: Swatch Debuts Guggenheim Collaboration

Having previously collaborated with almost every major art museum in the world, from MoMA to the Louvre, Swatch has licensed four masterpieces of 20th-century art from the Guggenheim, including works on display in New York and Venice. Accessibly priced, non-limited and available online, the Swatch x Guggenheim collection brings works from Monet, Degas, Klee, and Pollock to a wrist near you. Initial thoughts Painted dials have a long history in watchmaking, but the difficult nature of the work meant that for most of history they remained out of reach for all but the wealthiest clientele. While hand-painted dials are vanishingly rare and breathtakingly expensive, modern production methods mean that legendary masterpieces can now be easily scaled down and mass produced. Swatch was a pioneer in this regard, introducing its first artist collaboration with Kiki Picasso in 1985, just two years after the company launched its revolutionary plastic watch. The Picasso collaboration was the first of many, and since then there’s hardly a major art museum that hasn’t licensed selected works to Swatch. The works selected for this collaboration come from two different Guggenheim collections. Three of them are famously on display at the Guggenheim New York, while the fourth may be seen at the Peggy Guggenheim Collection in Venice. The odd-looking double-length seconds hand is an homage to this transatlantic duality. The Peggy Guggenheim Collection in Venice. Functionally, the four quar...

Introducing the G-SHOCK MRGB2000KT3A “Kobayashi Masao” Worn & Wound
Jan 29, 2026

Introducing the G-SHOCK MRGB2000KT3A “Kobayashi Masao”

I’ll be honest and say it right off the bat: the G-SHOCK MRGB2000KT3A is not for me. Still, I am just one person in an endless ocean of watch enthusiasts, so I’ll try to take a look at the MRGB2000KT3A through the eyes of someone it is for. After all, I am not immune to the allure of a G-SHOCK; I’ve owned several, and they’ll always have a place in my heart as one of the first watch brands that I really loved. So, with my new persona adopted, let’s dive into the newest-and most limited-model in the MRG-B2000 series. The first notable thing about the MRGB2000KT3A is the name attached to it. Kobayashi Masao, a master metalsmith and engraver from Otsu, Shiga Prefecture, has lent his craft to the watch in a big way, etching a phoenix on the bezel. Perhaps I am making that sound rather tame, though; to clarify, the phoenix peeks out from the left side of the bezel, with flames mirroring its position on the right side. The engraving’s dramatic persona is based on the phoenix design on the tsuba iron guard-a fitting between a Japanese sword’s hilt and the blade-of Kobayashi Masao’s MR-G katana, making a connection between the watch and the artist’s own line of work. The deep-layer hardened titanium bezel wears a distinctive blue-green kurogane-iro (“iron color”) shade, thanks to a green DLC coating and brown Arc Ion Plating (AIP). Stippling further texturizes the bezel, and four emerald-capped screws sit at the 1, 5, 7, and 11 o’clock positions. No...

Hands-On With The Christopher Ward C60 Clipper GMT Fratello
Christopher Ward C60 Clipper GMT Mention Jan 29, 2026

Hands-On With The Christopher Ward C60 Clipper GMT

Mention Pan Am to watch fans, and the first association that comes to mind is the iconic Rolex GMT-Master. It has become one of the watch world’s most popular stories, always reflected in the classic travel watch with its red and blue “Pepsi” bezel. But apart from a watch created for Pan Am pilots to […] Visit Hands-On With The Christopher Ward C60 Clipper GMT to read the full article.