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Results for Marine Chronometer & The Longitude Problem

43,387 articles · 255 videos found · page 28 of 1455

First Look - The New Ferdinand Berthoud Mesure du Temps 1787 Chronometre FB 2TV Monochrome
Chopard Mar 31, 2026

First Look - The New Ferdinand Berthoud Mesure du Temps 1787 Chronometre FB 2TV

The trajectory of the Ferdinand Berthoud brand has been quite remarkable since its revival in 2015 by Karl-Friedrich Scheufele of Chopard and his teams. Its inaugural model won the prestigious Aiguille d’Or at GPHG, followed by numerous other awards. Beyond industry recognition, collectors widely praise the brand’s fascinating designs and uncompromising craftsmanship, culminating in last […]

Introducing - The new Breguet Classique 7225, the Comeback of the 10Hz Chronometry Watch with Magnetic Pivot Monochrome
Breguet Classique 7225 Oct 23, 2025

Introducing - The new Breguet Classique 7225, the Comeback of the 10Hz Chronometry Watch with Magnetic Pivot

As you might already know as of now, Breguet is celebrating this year its 250th anniversary. And the brand is doing so by releasing watches that are either evolutions of emblematic models – such as the two stunning hand-wound Type XX – or paying tribute to the countless innovations of A.L. Breguet, for instance the […]

Introducing the Zenith G.F.J., a Chronometry Focused Tribute to the Brand’s Founder Worn & Wound
Zenith G.F.J Apr 1, 2025

Introducing the Zenith G.F.J., a Chronometry Focused Tribute to the Brand’s Founder

Last year, I had the privilege of sitting down with Benoit de Clerck to talk about all things Zenith. At the time, Benoit was just a few short months into his tenure as CEO of Zenith, and Watches & Wonders was only barely in the rearview, but de Clerck made it very clear that he was already looking ahead, not just generally, but towards something very specific, and very exciting. “I’m working hard on something new next year, which - obviously - I like, because it’s very unique, and we’re producing very small quantities and all that. And, I can’t tell you much more, but next year we’re celebrating our 160th year and we will come up with something that the collectors will be very, very, very happy with.” Well, now, nearly a year later, we know what that “something new” is, and de Clerck was absolutely right - because it is something to be very, very happy with. I’m talking, of course, about the new Zenith G.F.J. G.F.J., in this case, stands for Georges Favre-Jacot, the name of the man who founded Zenith some 160 years ago, but it might as well stand for ‘Great F***ing Job’ because Zenith has knocked it out of the park with this one. At the heart of the G.F.J. is a revived version of the calibre 135, a historically significant and long-dormant movement, designed by Ephrem Jobin in the years after World War II and produced from 1949 to 1962. The Calibre 135 was widely used by Zenith at that time, but especially prized is the 135-O variant created...

The Speake Marin Ripples Infinity Date is One of the Best Named Watches and Coolest Under the Rader Integrated Bracelet Sports Watch Options Around Worn & Wound
Grand Seiko comes Apr 1, 2024

The Speake Marin Ripples Infinity Date is One of the Best Named Watches and Coolest Under the Rader Integrated Bracelet Sports Watch Options Around

I have a small obsession with watch naming conventions. I’m absolutely fascinated by the decisions brands make in what to call their watches. Some brands, for example, use only reference numbers, and collectors wind up giving the most popular watches nicknames (Grand Seiko comes to mind, although last year saw a notable exception to the rule). Then there are countless brands that incorporate language of adventure, particularly on high seas, into watch names: the Submariner, the Supermarine, the Sea-Rambler, and on, and on, and on, and on. And of course there are brands that steal a strategy from car manufacturers (or is it the other way around?) and give their watches names in one of the Romance Languages, an attempt to instill a sense of class and taste. But what I like are the simple and punchy names that get right to the root of what the watch is about. Memorable, sometimes funny names that communicate an ethos and make you go, “Oh yeah, of course,” all at once. The Speake Marin Ripples is one of my all time favorites.  The Ripples is Speake Marin’s take on the integrated bracelet sports watch, a category that seems about as far afield as you might get from the brand’s roots, but that’s a story for another day. In my opinion, the Ripple is one of the most distinctive integrated bracelet designs to come on the scene in this recent period during which everyone under the sun has tried their hand at this type of watch. It belongs, I think, in the same conversat...

Kurono Tokyo Closes Out the Calendrier I Series with the Maroon Dialed “Azuki” Anniversary Edition Worn & Wound
Kurono Tokyo Closes Out May 25, 2023

Kurono Tokyo Closes Out the Calendrier I Series with the Maroon Dialed “Azuki” Anniversary Edition

The latest from Kurono Tokyo is a new version of their Calendrier Type I, a reference that was a finalist in the 2022 GPHG awards. A triple calendar is an old school complication, so it makes sense for a brand like Kurono to experiment on this platform, with their design language so deeply rooted in Art Deco principles and mid 20th century ideas around size and style. The new Calendrier is a Kurono anniversary model, thus it will be sold as a “time limited” edition, meaning prospective owners will have specific windows during which they can make a purchase, and Kurono will fill every order placed in these windows. Kurono has also announced that this will be the final version of the Calendrier Type I, so if this is a reference you’ve been hunting, we’re approaching your last chance to snag one directly from the brand.  Kurono has dubbed this model the Anniversary Calendrier “Azuki,” a name derived from the maroon color of the dial. Azuki means “red bean” in Japanese, and in Japan is a color commonly associated with cars. Maroon was once a common standard vehicle color, so this watch is subtly auto inspired and a throwback in more ways than one.  According to the brand, achieving this particular tone of maroon was a significant challenge. To get the color right, Kurono used phosphor-bronze rather than the typical brass for the dial material, which allows them to get the proper shade of red during the finishing process. Kurono notes that phosphor-bronze is m...

Panerai Introduces the Luminor Marina Carbotech PAM 1661 SJX Watches
Panerai Introduces Feb 3, 2020

Panerai Introduces the Luminor Marina Carbotech PAM 1661

Three years ago, Panerai introduced the LAB-ID Luminor 1950 Carbotech 3 Days PAM 700, an experimental watch boasting carbon-based innovations inside and out, including ceramic bridges and plates that do away with jewelled bearings as well as a dial coated in carbon nanotubes giving it an absolute black finish. But the LAB-ID was truly experimental, and word has it that only a handful were sold and the planned 50-piece run was never completed. But no doubt due to the popularity of the LAB-ID’s design – and unpopularity of the €50,000 price tag – Panerai has just announced the Luminor Marina Carbotech 44 mm (PAM01661). It’s essentially a smaller, simpler LAB-ID, featuring a case in the same material, as well as blue lume on the dial and hands, but with a straightforward automatic movement without any of the bells and whistles found in the LAB-ID. The Luminor Marina Carbotech 44 mm Depth rated to 300 m, the case is made of Carbotech, a carbon fibre-reinforced polymer produced by compressing thin sheets of carbon fibres at high pressure with a high-end polymer (PEEK), explaining the wave-like appearance of the material. The result is a material that is light and strong, explaining why the large, 44 mm case weighs just 96 grammes, less than half the same case in steel. The LAB-ID of 2017 The watch has a standard Panerai dial, but in the colours of the LAB-ID. Like most Panerai dials, it has a “sandwich” construction, where the hour markers are cut-outs that r...

In-Depth - The Clock that Changed the World and the Fantastic Recreation of John Harrison’s H1 Monochrome
Dec 3, 2025

In-Depth - The Clock that Changed the World and the Fantastic Recreation of John Harrison’s H1

The replica of John Harrison’s H1 clock that the Stratford-upon-Avon-based Pragnell’s commissioned from Bob Bray of Sinclair Harding is a gloriously over-the-top tribute to an invention that was as significant an advance in the 18th century as the emergence of AI is today. Indeed, John Harrison’s H1 clock cracked the Longitude Problem, making navigation at […]

In-Depth: Ferdinand Berthoud Tests the Limits of ‘Hand Made’ SJX Watches
Chopard Sep 4, 2025

In-Depth: Ferdinand Berthoud Tests the Limits of ‘Hand Made’

Few brands approach marine chronometer-style wristwatches with the intensity of Ferdinand Berthoud (FB). Fewer still have the capacity to produce a watch that is truly hand made. The brand has leaned into these strengths to good effect with the Naissance d’une Montre 3, which is perhaps the most labour-intensive wristwatch ever created. Marking the third official chapter of the Time Æon Foundation’s Naissance d’une Montre project, the Montre 3 is the byproduct of a six year quest to thoroughly document the steps required to make a chain and fusee wristwatch using only hand-operated tools. While the production of the Montre 3 involves more than 80 individuals from both FB and its parent Chopard, the labour involved equates to roughly a full year’s work for five people to produce each of the 11 pieces that will be made in the coming years. Initial thoughts It’s easy to feel jaded about the smoke and mirrors of luxury watch marketing, with terms like ‘hand made’ and ‘in-house’ used all too freely, making it difficult to separate the signal from the noise. Make no mistake, the Montre 3 is, in some ways, what all traditional haute horlogerie watches aspire to be, and takes the concept of hand craftsmanship to its absolute limit. The Montre 3 is neither inventive nor complicated, but the intrinsic quality of its construction is immediately obvious and breathtaking in its own right. To some extent, the simplicity of the 44.3 mm white gold case demonstrates the ...

The 15 Best British Watch Brands (2026) Teddy Baldassarre
Aug 18, 2025

The 15 Best British Watch Brands (2026)

While Switzerland is regarded today as the world leader of watchmaking, Great Britain can lay claim to a wealth of horological milestones throughout its history as well. From Thomas Mudge’s development of the lever escapement in 1755 to John Harrison’s invention of the marine chronometer in 1759 to the innovations of clockmaker Thomas Tompion and his protegé George Graham in the areas of science and astronomy, England was an undisputed leader in timekeeping throughout the 18th and 19th centuries. The 20th century brought the decline of the British Empire and, with it, British watchmaking, as nations like Switzerland, Germany, and (for a while) the United States stepped in with modern mass-production techniques while the Brits held fast to traditional, artisanal methods. The United Kingdom essentially ceased being a major producer of timepieces by the end of World War II, but as the 21st Century dawned, a handful of entrepreneurial Britons have made great strides in bringing high-end watchmaking back to their native land, establishing new brands - and in some cases, resurrecting old ones - to make watches that appeal to today’s discerning enthusiasts in the U.K. and across the world. Whether the focus is military-style tool watches, avant-garde complications at approachable prices, or ultra-high-end pieces for well-heeled collectors, each brand boasts an identity that is proudly British and at the same time distinct from its peers. Here are 15 British watch bran...

Introducing - The Arnold & Son Globetrotter 42 Steel in Strand Blue & Greenwich Green Monochrome
Arnold & Son Globetrotter 42 Steel Jul 16, 2025

Introducing - The Arnold & Son Globetrotter 42 Steel in Strand Blue & Greenwich Green

John Arnold’s marine chronometers were vital tools for calculating longitude at sea, trusted by explorers like Captain James Cook and used by the East India Company’s fleets. This pioneering spirit lives on in the modern Arnold & Son’s Globetrotter line, showcasing the brand’s distinctive approach to functional, finely crafted world timers. Earlier references are available […]

Introducing - The new IWC Portugieser Tourbillon Retrograde Chronograph in Armor Gold Monochrome
IWC Portugieser Tourbillon Retrograde Chronograph Jul 7, 2025

Introducing - The new IWC Portugieser Tourbillon Retrograde Chronograph in Armor Gold

The Portugieser line is one of IWC’s iconic collections, tracing its origins back to the late 1930s when Portuguese businessmen sought precision marine chronometer-grade wristwatches with oversized cases and clear dials. Since then, the Portugieser family has evolved into a flagship line balancing classic elegance with technical prowess, blending clean, legible design with complications that […]

First Look - The Incredibly Light Ulysse Nardin Diver (Air) Monochrome
Ulysse Nardin Diver Air Switzerland might Apr 2, 2025

First Look - The Incredibly Light Ulysse Nardin Diver (Air)

Switzerland might be landlocked, but Ulysse Nardin, a young watchmaker from Le Locle, consolidated his reputation by producing precision marine chronometers. By the 1870s, the manufacture supplied more than 50 navies and merchant marine companies with chronometers to calculate longitude at sea. These days, Ulysse Nardin plays on its marine heritage with its classical Marine […]