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Results for The Longitude Problem

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The Longitude Problem

The 200-year navigation crisis solved by John Harrison\'s H4 marine chronometer (1759); the lineage to modern COSC and Master Chronometer.

First Look – A Smaller Case and Fresh Colours for the Powerful Tissot Seastar 2000 Professional Monochrome
Tissot Seastar 2000 Professional Since 4 days ago

First Look – A Smaller Case and Fresh Colours for the Powerful Tissot Seastar 2000 Professional

Since its launch in 2021, the Seastar 2000 Professional has occupied an interesting spot in Tissot’s catalogue. For around EUR 1,000, it delivers a specification sheet that normally comes with more expensive dive watches: a helium escape valve, a ceramic insert bezel, 600m water-resistance, ISO 6425 certification, and a robust Swiss movement. In short, this […]

Hands-On With The Farer Pilot Series II Curtis — A Fresh Take On The Pilot’s Watch Fratello
Farer Pilot Series II Curtis 4 days ago

Hands-On With The Farer Pilot Series II Curtis — A Fresh Take On The Pilot’s Watch

When I think of Farer, I don’t necessarily associate the brand with pilot’s watches. Moreover, I don’t link it to any particular watch category at all, even though I’ve previously reviewed a couple of iterations of the Farer World Timer. Instead, the brand is best recognized for its compelling use of color. That said, the […] Visit Hands-On With The Farer Pilot Series II Curtis — A Fresh Take On The Pilot’s Watch to read the full article.

Insight: A Look At The Fusee and Chain SJX Watches
Ming from 4 days ago

Insight: A Look At The Fusee and Chain

The fusee and chain system is one of those terms in high horology parlance that instantly elevates the status of a given watch. And yet few appreciate the elegance and subtle complexities of this horological contraption that surprisingly predates the invention of the hairspring itself. The need for constant torque A high-performance oscillating system requires a somewhat constant power source in order to keep it swinging consistently. This issue relates to isochronism and the insufficiencies of real-world oscillators. For a watch, this means that its precision is, to a degree, dependent on how constant the torque reaching the escapement is. This is not as easy as one might think. The mainspring stores potential energy in its wound coils, which it then slowly feeds into the gear train as the barrel unwinds. Because of how the system is built, and due to physics-related constraints, the power coming from the mainspring barrel is all but constant. Ideally, the torque would be linearly decreasing — meaning that the slope of the barrel torque is directly proportional to the arming angle. Coiled mainspring inside a barrel. When a mainspring barrel is fully wound, the torque it feeds into the going train is maximal, sometimes causing the balance wheel to swing too wide and over-bank. As the mainspring unwinds, the torque stabilises to a steadily declining rate. But as the movement enters its last hours of power reserve, the torque from the barrel decreases considerably and more...

Hands-On With The Versatile And Thoroughly Modern Charlie Paris Alliance Fratello
4 days ago

Hands-On With The Versatile And Thoroughly Modern Charlie Paris Alliance

Charlie Paris has been designing and assembling accessible watches since 2014. The Alliance line represents the French indie brand’s take on a go-anywhere, do-anything (GADA) model. I got a chance to go hands-on with the Charlie Paris Alliance in two versions. This is how we got along. The Charlie Paris Alliance features a sunburst dial. […] Visit Hands-On With The Versatile And Thoroughly Modern Charlie Paris Alliance to read the full article.

Doxa Introduces the Long Awaited Sub 200 T.Graph II Worn & Wound
Omega 5 days ago

Doxa Introduces the Long Awaited Sub 200 T.Graph II

Doxa is one of those watch brands where the lore is kind of hard to escape. Every release is the subject of intense enthusiast discussion as the watches are contextualized through a complex history. There’s real mystique to the brand, which I think largely stems from the fact that Doxa’s dive watches were always true enthusiast products, made for actual divers as tools of their trade. This sets them apart from Rolex, Omega, and many other Swiss luxury houses, not because they didn’t also make tools for real divers (they certainly did), but because they also focused their attention on more mainstream pursuits. Doxa, at least in the public imagination, 50+ years on, did not. They’re seen as a brand for purists, and still appreciated by them to a great extent, even if they sometimes do something that’s a little on trend. There’s perhaps no watch in their catalog with more lore attached to it than the Sub 200 T.Graph, a chronograph version of the Doxa’s iconic Sub 200 diver. This watch was briefly released in a very limited way all the way back in 2019, and, ever since, collectors and fans of the brand have been clamoring for a non-limited edition. This week, Doxa has given the people what they want, with the introduction of the Sub 200 T.Graph II.  The new Sub 200 T.Graph II is, at least on the surface, exactly what you’d expect a modern, permanent version of the T.Graph to be. It is sized down just slightly from the 2019 limited edition, with a 42mm case in ...

Introducing: The Angelus Instrument de Mesures – Three Vintage-Inspired Scales, Modernized Hodinkee
Angelus Instrument de Mesures – 5 days ago

Introducing: The Angelus Instrument de Mesures – Three Vintage-Inspired Scales, Modernized

What We Know Angelus is bringing back one of my favorite traditional chronograph designs with the new multi-scale Instrument de Mesures. The new version of their 2025 GPHG Chronograph award-winning monopusher features three scales for telemeter, tachymeter, and pulsometer, and comes in a black or white dial, harkening back to early 1930s and 1940s chronograph designs where chronographs were pure utility. Powered by the manually-wound A5000 movement, a version of a La Joux-Perret 5000-4 (a movement manufacturer which is under the same ownership umbrella as Angelus), the watch measures 39mm by 9.25mm with a stainless steel case and display caseback, a single co-axial crown pusher for the chronograph, and 30m of water resistance. The movement has a 42-hour power reserve and runs at 3Hz. If the movement architecture looks familiar, LJP owns the rights to the famous THA monopusher movement.  The telemeter scale allows you to calculate distance by measuring the time between when you observe something and when you hear it. The tachymeter, of course, allows you to measure speed over a distance. And the pulsometer allows you to check your heart rate. Combining all three can be a mess of a thing, but long ago, the watch world settled on this beautiful stacked set of scales with a snailed, swirling effect. The watch also features lume at the hour markers, hidden in the three scales.  The new Angelus Instrument de Mesures is limited to 25 pieces in each dial version and retails for ...

“La Pilota” – A New Tudor Film Tells the Story Of A Record-Setting Aviator and Her Watches Hodinkee
Tudor Film Tells 5 days ago

“La Pilota” – A New Tudor Film Tells the Story Of A Record-Setting Aviator and Her Watches

In Greek mythology, there is the well-known story of Icarus, a heady youth whose lofty aspirations send him flying on homemade wings of feathers and wax. In its cautionary denouement, Icarus flies too high and gets too close to the sun, melting the wax, sending him crashing back to Earth. If Carina Massone Negrone knew the story of Icarus, she would also likely have known that the greater the altitude, the danger is not the sun's heat but extreme cold and a lack of oxygen. And yet, in 1935, the Italian aviator set an altitude record in an open-cockpit piston-powered airplane that remains unbroken to this day. Tudor has just debuted a short documentary film about Negrone, called "La Pilota: The Daring Story of Marchesa Carina Massone Negrone", which covers the flying pioneer's remarkable life and the watches—Tudors, of course—that she wore. Carina Massone Negrone was a "marchesa," a noblewoman by her marriage to a marquise, and could have enjoyed a life of ease in her palazzo in Genova. But her adventurous spirit compelled her to pursue activities that might have seemed "unladylike" in 1930s Italy. She was an avid swimmer and skier and fished the Mediterranean for sharks. And in 1933, at the age of 22, she took flying lessons from an Italian fighter pilot and became the first woman to get her pilot's license from the Reale Unione Nazionale Aeronautica. Only a year later, she set an altitude record for a seaplane by flying to 5,544 meters. But she wasn't done yet—far f...

The Inaugural Buying Time Auction is Officially Open with Proceeds Going to a Worthy Cause Worn & Wound
Ming 5 days ago

The Inaugural Buying Time Auction is Officially Open with Proceeds Going to a Worthy Cause

In 2017, Simon Jeffs, an aero-mechanical engineer, founded Brooklands Watch Company with the help of his son Michael. The inspiration for the brand came from the historic track where British motorsport was born and the world’s first motor racing chronograph was invented in 1907 along with the father-son duo’s mutual love of timepieces. Five years after its founding, Michael tragically passed away from cancer at the incredibly young age of 28. Two years following his death – the year Michael would have turned 30 – his mother, Sandra, launched the 30 for 30 campaign, aiming to raise £30,000 in his memory for charities that had helped them during Michael’s illness. The response was extraordinary, and they went on to raise £132,642. This generosity gave Michael’s family the confidence to think beyond a single year of fundraising and to create a long-term legacy in his honor, which led them to establish the Buying Time auction opening today and running for one month until July 14. The auction is made possible in partnership with the Alliance of British Watch and Clock Makers, who embraced the idea of creating a charitable foundation supported by the watch community. Each of the watches up for sale is brand new, unworn, and generously donated by the brand, maker, or authorized partner exclusively for this auction. Every pound raised will go directly to the organizations’ partner charities, whose applications are reviewed quarterly to ensure every grant is thought...

In-Depth – Diving with the new Doxa SUB 200 T.Graph II, The Return of the Brand’s Diving Chronograph Monochrome
Doxa SUB 200 T.Graph II 5 days ago

In-Depth – Diving with the new Doxa SUB 200 T.Graph II, The Return of the Brand’s Diving Chronograph

There’s a particular type of watch that doesn’t feel the need to explain itself. It doesn’t have a fancy movement with a skeletonised rotor. It doesn’t come in a box made of rare-earth metals the size of a carry-on. It doesn’t require trips to maisons and ateliers. It just shows up, orange-faced and slightly thick, […]

Hands-On: The New Doxa Sub 200 T.Graph II — An Iconic Dive Chronograph Returns Fratello
Doxa Sub 200 T.Graph II 5 days ago

Hands-On: The New Doxa Sub 200 T.Graph II — An Iconic Dive Chronograph Returns

Few brands wear their history as comfortably as Doxa. While many heritage-driven watch companies seem trapped in endless cycles of archival recreation, Doxa has spent the better part of the last decade refining a formula that already worked. That consistency is precisely why the debut of the Doxa Sub 200 T.Graph II matters. The modern […] Visit Hands-On: The New Doxa Sub 200 T.Graph II — An Iconic Dive Chronograph Returns to read the full article.

Introducing: The Doxa Sub 200 T-Graph II Hodinkee
Doxa Sub 200 T-Graph II 5 days ago

Introducing: The Doxa Sub 200 T-Graph II

What We Know Just in time for the hot and humid summer ahead, Doxa has just unveiled a new generation of its distinctive, cushion-cased dive-watch-slash-chronograph with the new Sub 200 T.Graph II. The best part? It's no longer a limited edition, but rather a permanent offering for the brand. Oh, and thankfully, it's priced less than that previous 300-piece LE. At a quick glance, nothing seems to have changed on Doxa's tribute to its 1969 design, and you'd be sort of correct. The dial layout, with two subdials at 3 and 9 o'clock, along with an oversized arrowhead chronograph seconds hand, remains the same in this new generation. But the main changes here are sure to make almost everyone happy: a slight reduction in diameter and case thickness. While the previous Sub 200 T.Graph measured at 43mm in diameter with a thickness of 15.15mm, the steel case on the Sub 200 T.Graph II measures 42mm in diameter and 14.6mm in thickness.  Rather than the new old stock Valjoux 7734 chronograph caliber that the limited edition housed, this new T.Graph II uses a contemporary automatic Sellita SW510 chronograph caliber, with a slightly higher 56-hour power reserve and a much higher beat rate of 28,800 VpH. New to the Sub 200 T.Graph II is also another dial color, Caribbean (Doxa's name for blue), which is a familiar livery within the brand's other models but never before offered on a T.Graph. The dark, slightly dusty navy dial joins the three other colorways found in the original design: ...

Introducing – The New ArtyA Purity Tourbillon Sport Editions Monochrome
5 days ago

Introducing – The New ArtyA Purity Tourbillon Sport Editions

Artya is known for not shying away from creativity, boldness and boundary-pushing designs, and proves this once more with its latest release. Following earlier models like the Purity Tourbillon, Purity Stairway to Heaven and Purity Central Tourbillon housed in the brand’s signature sapphire cases, the Geneva-based manufacture now introduces the Purity Tourbillon Sport Edition, a limited […]

Fratello Favorites: The Best Summer Watches — RJ’s Five Perfect Picks From Hamilton, Sinn, Omega, Rolex, And Piaget Fratello
Hamilton Sinn Omega Rolex 5 days ago

Fratello Favorites: The Best Summer Watches — RJ’s Five Perfect Picks From Hamilton, Sinn, Omega, Rolex, And Piaget

Last week, Lex started our series of articles on the best summer watches. Each of us will pick five of our favorite watches for the summer, ranging from under €1,000 to no budget. Today, it’s my turn, and I’ve made a selection of new and pre-owned watches. Five summer watches for different budgets Summer is […] Visit Fratello Favorites: The Best Summer Watches — RJ’s Five Perfect Picks From Hamilton, Sinn, Omega, Rolex, And Piaget to read the full article.

Value In Vintage: IWC “Calatravas” From The 1950s And ’60s Fratello
Vacheron Constantin yet many overlook 6 days ago

Value In Vintage: IWC “Calatravas” From The 1950s And ’60s

IWC truly does have something for everyone. There is a curious blind spot in the vintage-watch market. Collectors will happily spend five figures on a mid-century dress watch from Patek Philippe or Vacheron Constantin, yet many overlook the quietly brilliant dress watches produced by IWC Schaffhausen during the ’50s and ’60s. That oversight is precisely what […] Visit Value In Vintage: IWC “Calatravas” From The 1950s And ’60s to read the full article.

Hands-On Review With The TAG Heuer Monaco Evergraph WatchAdvice
TAG Heuer Monaco Evergraph TAG Heuer’s Jun 13, 2026

Hands-On Review With The TAG Heuer Monaco Evergraph

TAG Heuer’s Monaco Evergraph may just be the best Monaco yet. A redesigned case, a new look dial, and of course, the new TH80 movement. We took it for a spin to see how it stacks up. What We Love: The new innovative TH80 movement Refined case makes for a better wearing experience Overall look is sporty and modern What We Don’t: The new clasp doesn’t allow for an exact fit on the wrist The watch does wear larger on the wrist visually, so check the sizing if you have smaller wrists The lack of versatility due to the Monaco design. it is a sports watch through and through Overall Rating: 9/10 Value for Money: 9/10 Wearability: 8.5/10 Design: 9.5/10 Build Quality: 9/10 When TAG Heuer unveiled the Monaco Evergraph at Watches & Wonders 2026, it immediately became one of the show’s most talked-about releases. Why? Because it housed a completely new chronograph movement developed over several years by TAG Heuer Lab in collaboration with Vaucher Manufacture Fleurier. The Monaco itself is no stranger to innovation. Since its debut in 1969 as one of the world’s first automatic chronographs and one of the first waterproof square-cased watches, it has always had a special place in TAG Heuer’s collection. The design has never been universally loved, but that’s arguably part of its appeal. More than half a century later, it remains one of the most recognisable watch designs in the industry. Steve McQueen made the Monaco famous in Le Mans, but it wasn’t an instant hit,...

Hands-on – The Revival of a Charming Chimer with the Angelus Tinkler 1958 Quarter Repeater Monochrome
Angelus Tinkler 1958 Quarter Repeater Jun 13, 2026

Hands-on – The Revival of a Charming Chimer with the Angelus Tinkler 1958 Quarter Repeater

Unveiled by Angelus at Watches & Wonders 2026, the Tinkler 1958 Quarter Repeater is a re-edition of the brand’s pioneering mid-century automatic, waterproof quarter repeater wristwatch, which was already a rarity in its day. Engaging sight, sound and touch, we’re going hands-on with the more luxurious, 15-piece limited edition of this charming chiming revival piece […]

Watches, Stories, & Gear: Hamilton Goes on the Road, the Social Reckoning Trailer, and a New Kerchief from GiantMouse and Cantonement Worn & Wound
Hamilton Goes Jun 13, 2026

Watches, Stories, & Gear: Hamilton Goes on the Road, the Social Reckoning Trailer, and a New Kerchief from GiantMouse and Cantonement

“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. Hamilton 250th Anniversary Road Show Hamilton is undoubtedly proud of its American roots and has planned a whistle-stop tour of sorts to celebrate the United States’ 250th anniversary. Deemed The America 250 Roadshow, this multi-city activation is now underway with the first stop of the tour in Charleston, South Carolina before moving along to New York, then Washington D.C., before finally ending in Boston just in time for July 4th. During these events, attendees will be able to explore Hamilton’s collection of watches, learn more about the brand’s history, and take part in events co-hosted with local establishments. Of course, with an anniversary this big, Hamilton couldn’t pass up the chance to mark the occasion with something special. During the roadshow, visitors will also have access to the exclusive-edition America 250 Khaki Field Mechanical, a commemorative release available only during the 2026 semiquincentennial (isn’t that such a good trivia word?). The watch takes its cues from the military field watches that helped establish Hamilton’s reputation for precision and reliability, making it a fitting tribute to both the brand – and the nation’s ...