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Results for Marine Chronometer & The Longitude Problem

40,815 articles · 5,850 videos found · page 308 of 1556

30th anniversary of the Audemars Piguet Royal Oak Offshore: ROO F1s, High Octane Fairy Tales of Super Star Racing Drivers Quill & Pad
Audemars Piguet Royal Oak Offshore ROO Sep 21, 2024

30th anniversary of the Audemars Piguet Royal Oak Offshore: ROO F1s, High Octane Fairy Tales of Super Star Racing Drivers

The Audemars Piguet Royal Oak Offshore limited editions dedicated to the world of Formula 1 are one of the most interesting chapters in the history of the Offshore collection, which turns 30 this year. The release of such Offshores did not last long, from 2004 to 2012. Many of us were there, but for many everything was somehow forgotten and it is worth refreshing memories.

Ready To Race With The Roger Dubuis Excalibur Spider Flyback Chronograph In “Lambo” Verde Mantis Fratello
Roger Dubuis Excalibur Spider Flyback Chronograph Sep 21, 2024

Ready To Race With The Roger Dubuis Excalibur Spider Flyback Chronograph In “Lambo” Verde Mantis

What is green, loud, and low and will go around the Indianapolis Motor Speedway on Sunday, September 22nd, for hours on end? Well, any ideas? It’s the Lamborghini SC63 hybrid racing car prototype! The number 63 “Lambo” in striking Verde Mantis, piloted by Italian drivers Matteo Cairoli, Andrea Caldarelli, and former French Formula 1 driver […] Visit Ready To Race With The Roger Dubuis Excalibur Spider Flyback Chronograph In “Lambo” Verde Mantis to read the full article.

A Stunner: The New Jaeger-LeCoultre Master Hybris Artistica Calibre 184 Fratello
Jaeger-LeCoultre Master Hybris Artistica Calibre Sep 21, 2024

A Stunner: The New Jaeger-LeCoultre Master Hybris Artistica Calibre 184

Jaeger-LeCoultre creates some of the most complicated watches on the market. Today’s Master Hybris Artistica Calibre 184 is a stunning example of this. The movement may not be new, but it’s wildly impressive and sits in an equally mesmerizing pink gold case. This is one to savor for its details and artisanship. One of my […] Visit A Stunner: The New Jaeger-LeCoultre Master Hybris Artistica Calibre 184 to read the full article.

Montblanc Nicolas Rieussec GMT Chronograph Featuring the Combined Functionality of both the Rolex Daytona & GMT in a Single Chronograph Quill & Pad
Montblanc Nicolas Rieussec GMT Chronograph Sep 21, 2024

Montblanc Nicolas Rieussec GMT Chronograph Featuring the Combined Functionality of both the Rolex Daytona & GMT in a Single Chronograph

Quentin R. Bufogle loves being wrong. Especially about watches.He loves it when his snobbery, short-sightedness and completely unsupported preconceived notions are suddenly imploded by a brand or a particular piece he only thought he knew. As was the case with the Montblanc Nicolas Rieussec GMT Chronograph.

eBay Finds: A Classic from Glycine, an Uncommon Omega with an Alarm, and a Benrus with the Full Kit Worn & Wound
Omega Sep 20, 2024

eBay Finds: A Classic from Glycine, an Uncommon Omega with an Alarm, and a Benrus with the Full Kit

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! Seiko SilverWave Diver Here is a fantastic and scarce vintage Seiko SilverWave diver. The SilverWave model is one of Seiko’s earlier sport divers, and is arguably the coolest design. The 36mm steel case has a deeply grooved crown at 4 o’clock, and a snap on case back. There were a few different variations, but this model was rated to a depth of 30 meters. The silver dial has simple stick markers, but the coolest feature is the internal rotating dive bezel. By turning the crown in the ‘in’ position, the internal bezel rotates. This is something Seiko has done on many models, but I think the SilverWave may have been the first. Seller states the watch runs, and it’s in overall great condition for this watch which is usually found pretty beat up. View auction here Benrus Sea Lord  Next, a nice vintage Benrus Sea Lord (great name btw), complete with box and papers. The gold plated case is excellent and looks unpolished, and the crown is original and signed with the Benrus “B” logo. The silver dial is simple and clean with a radial brushed finish, with applied gold stick markers and big stick hands. The vintage stretch gold band is most likely a replacement, but it’s definite...

The Evergreens – The History of the ETA Unitas 6497 and 6498, the Ubiquitous and Robust Hand-Wound Calibre Monochrome
Sep 20, 2024

The Evergreens – The History of the ETA Unitas 6497 and 6498, the Ubiquitous and Robust Hand-Wound Calibre

How do a pair of manually wound, time-only, pocket watch-sized, potentially outdated movements introduced in the 1950s earn a place in our series on significant calibres, alongside the well-known El Primero and Valjoux 7750 chronograph calibre and the omnipresent automatic ETA 2824 and 2892? Several factors contribute to their importance. Despite seeming unusual today, the […]

Out of Office: Bike-Fishing the Carll’s River Worn & Wound
Sep 20, 2024

Out of Office: Bike-Fishing the Carll’s River

The good news: I’ve never looked at my Marathon Navigator more within a two hour period. The bad news: I only have two hours between preschool drop off and pick up and I’d really like to sneak some fishing in during the precious few hours of free time. The best way to get a line in the water is to load up the bike, grab some gear, and pedal up the trail that follows the Carll’s River as fast as I can and fish all the way back down. I love being a dad but as many of you know, free time comes in random spurts here and there and you have to make the best of it. I also love gear, so any opportunity to put my stuff to good use is welcome. Can I make it up there and back in time? Can I actually catch a fish? We’ll get there, but first let’s take a closer look at the rig, which I believe is pretty ideal for some fishing.  My off-road bike is a Cannondale Topstone 3 from a few years back. Known as a “gravel bike”, this style of bicycle is a blend between a road endurance bike (you sit more upright than an on-road race bike) that can accommodate chunky tires for off-road use. The trail I’m riding is firm packed gravel and remains relatively flat the whole way. I’ve found the bike to be comfortable and easy to ride without breaking too much of a sweat. Recently, I swapped out the stock saddle for a leather Brooks because I’ve heard great things about how comfortable they are once broken in. Another cool thing about the Topstone is how it can accommodate gear. Th...

Hands-On: The New Aquastar Airstar Chronograph Fratello
Sep 20, 2024

Hands-On: The New Aquastar Airstar Chronograph

I confess that I look forward to anything Rick Marei and his team create. Recent offerings from Aquastar and Synchron have all been exciting, well made, and relatively affordable. Now the new Aquastar Airstar Chronograph further ups the approachability ante. This is certainly one of the cooler recent releases. There are a lot of ’60s […] Visit Hands-On: The New Aquastar Airstar Chronograph to read the full article.

Introducing – AP Unveils Chroma Forged Technology, a Coloured & Lumed Forged Carbon for the ROC Split-Seconds Monochrome
Audemars Piguet ROC collection has used Sep 20, 2024

Introducing – AP Unveils Chroma Forged Technology, a Coloured & Lumed Forged Carbon for the ROC Split-Seconds

With its ultra-contemporary design, the Royal Oak Concept collection has always been a vessel for innovation at AP, and that since its creation in 2002. First with a cobalt-based super-alloy (Alacrite 602), the Audemars Piguet ROC collection has used some of the brand’s most complex movements, daring designs or advanced materials. Now, it’s time for […]

Audemars Piguet Returns to Forged Carbon with the Royal Oak Concept Split-Seconds SJX Watches
Audemars Piguet Returns Sep 20, 2024

Audemars Piguet Returns to Forged Carbon with the Royal Oak Concept Split-Seconds

Having pioneered the use of carbon-fibre reinforced polymer for watches cases with the Royal Oak Offshore Alinghi Team of 2007, Audemars Piguet (AP) is returning with a new generation of the material that debuts in the Royal Oak Concept Split-Seconds Chronograph GMT. Based on the original model in old-school titanium, the new split-seconds chronograph has a carbon composite case made using Chroma Forged Technology (CFT) that allows for greater colour and patterning in the material. As a result, the CFT carbon case has the typical marbled appearance of carbon composite, but flecked with blue veins that glow in the dark. Initial thoughts The Royal Oak Concept Split-Seconds Chronograph GMT might seem like yet another variant of AP’s popular model, but it  is equipped with one of the brand’s latest movements, the cal. 4407. The movement boasts a modern, sophisticated construction, along with one of the most innovative implementations of the split-seconds mechanism in modern watchmaking. The CFT carbon case dresses up the movement in more eye-catching attire, especially for those who found the first version in titanium too conventional. Although the new split-seconds only includes blue as an accent, the range of colours is essentially limitless since CFT carbon can be coloured in myriad hues. That means more colour variations are surely in the pipeline. Though novel for AP, coloured or luminous carbon composite is not a new concept since the material been used for watch ca...

Introducing: The Audemars Piguet Royal Oak Concept Split-Seconds Chronograph GMT Large Date Fratello
Audemars Piguet Royal Oak Concept Split-Seconds Sep 20, 2024

Introducing: The Audemars Piguet Royal Oak Concept Split-Seconds Chronograph GMT Large Date

Today, we’ll look at the new Audemars Piguet Royal Oak Concept Split-Seconds Chronograph GMT Large Date. This is a wild piece, and it debuts an innovative case material that took over five years of development. Get ready for some bright visual stimulation! The Audemars Piguet Concept offerings are typically filled with new technology from the […] Visit Introducing: The Audemars Piguet Royal Oak Concept Split-Seconds Chronograph GMT Large Date to read the full article.

Introducing: The Zenith Defy Skyline Chronograph Boutique Edition Fratello
Zenith Defy Skyline Chronograph Boutique Sep 20, 2024

Introducing: The Zenith Defy Skyline Chronograph Boutique Edition

In January 2023, Zenith released the first Defy Skyline Boutique Edition. The release flew under the radar for most watch fans, but it was a stylish version of Zenith’s popular integrated-bracelet sports watch. Later that year, the brand unveiled a boutique-only version of the Defy Skyline Skeleton as well. Now it’s time for the third […] Visit Introducing: The Zenith Defy Skyline Chronograph Boutique Edition to read the full article.

Explained: The Vertical Clutch of a Chronograph SJX Watches
Audemars Piguet Royal Oak Chronograph Sep 20, 2024

Explained: The Vertical Clutch of a Chronograph

Having already explained the more traditional horizontal clutch (or lateral coupling), we now look forward to the more modern vertical clutch. This is found in some of the most famous chronographs in contemporary watchmaking, including the Rolex Daytona with the cal. 4131 (pictured above), Patek Philippe Nautilus with the CH 28-520, and Audemars Piguet Royal Oak Chronograph with the cal. 4401. Arguably the most advanced type of chronograph coupling mechanism, the vertical clutch as it is known today was debuted in 1969 by Seiko in the 6139 chronograph. But the concept can be found in late 19th century pocket watches, and even the inexpensive Pierce Chronographe of the 1930s. Today it is practically the default choice for new chronograph constructions. Equipped with the vertical clutch, the Patek Philippe CH 28-520 in the Nautilus Travel Time Chronograph ref. 5990/1A Like its horizontal counterpart, the vertical clutch serves as the mechanical link between the chronograph mechanism and the going train of a movement, allowing power to flow from the going train to the chronograph, which then allows the chronograph to run. While it fulfils the same function, a vertical clutch works differently from the horizontal equivalent, a distinction that comes with its own set of advantages and disadvantages. How it works A chronograph vertical clutch is similar to the clutch found in the manual transmission of some automobiles. The clutch of an automobile enables the intermittent connec...

The new Maurice Lacroix Aikon remixes titanium grades and dial colours Time+Tide
Maurice Lacroix Aikon remixes titanium grades Sep 19, 2024

The new Maurice Lacroix Aikon remixes titanium grades and dial colours

Maurice Lacroix goes more sporty and more bold with brightly coloured Aikon models in titanium. Rather than just picking one grade, the cases are a mix of finishes and both grade 2 and grade 5 titanium. Both the Automatic and Chronograph are powered by Sellita-based movements, priced at US$2,950 and US$4,600, respectively.   View this … ContinuedThe post The new Maurice Lacroix Aikon remixes titanium grades and dial colours appeared first on Time+Tide Watches.

Hands-On: the Longines Spirit Zulu Time Titanium Worn & Wound
Longines Spirit Zulu Time Titanium Sep 19, 2024

Hands-On: the Longines Spirit Zulu Time Titanium

Longines, somehow, still feels slept on to me. In the hierarchy or Swatch Group brands, they sit in a place where they really should be insanely popular with enthusiasts and the mass market alike, but somehow they often feel like a brand struggling to break into the wider conversation. To be fair, I have no idea about the relative commercial success Longines has experienced over these last few years – it’s quite possible that everyone at Longines and Swatch are quite happy with their performance. Anecdotally, though, I just don’t see them on wrists very often, either at local neighborhood watch meetups, or in the wild. And that’s kind of a shame, because whenever I actually spend time with a Longines watch, I come away feeling impressed. I’ve long held that they do vintage reissues better than just about anyone. Whoever has the job of raiding the archives and picking watches to resurface from the brand’s long history has impeccable taste, and an innate understanding of the watches that hit the center of the Venn Diagram covering “aesthetically interesting” and “historically important.” They’ve done a great job of telling the brand’s story with a string of excellent heritage releases.  But Longines is too big, of course, to just release vintage inspired watches, so in a moment a few years back when it was clear that the heritage gravy train wasn’t going to run forever, they introduced the Spirit collection. An entirely new line, the Spirit watches...