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Results for Marine Chronometer & The Longitude Problem

41,588 articles · 253 videos found · page 907 of 1395

Hands On: Ferdinand Berthoud Chronomètre FB 1 “Oeuvre d’Or” SJX Watches
Chopard Feb 26, 2020

Hands On: Ferdinand Berthoud Chronomètre FB 1 “Oeuvre d’Or”

Backed by Chopard and taking the name of a noted 18th century French watchmaker, Ferdinand Berthoud made its debut in 2015 with the Chronomètre FB 1. Though unusual in style with an octagonal case, the FB 1 boasts an impressively constructed movement developed and manufactured by the same facility responsible for Chopard’s top-of-the-line L.U.C calibres; the project was the brainchild of Chopard co-president Karl-Friedrich Scheufele. At its core the FB 1 is an elaborate – and delightfully anachronistic – tribute to 18th century marine chronometers inside and out. The subject of four patents, the unusual calibre is very much antiquarian horology; it is constructed with pillar-style architecture and contains a chain-and-fusée, feeler-and-cone power reserve mechanism, and a large tourbillon with central seconds. Since the debut of the FB 1, there have been as many as ten subsequent variations – which is probably too many but it doesn’t diminish from the intrinsic, technical qualities of the watch – with one of the most recent being the Chronomètre FB 1 “Oeuvre d’Or” launched last year. Mechanically identical to the other iterations, the Oeuvre d’Or is distinguished by extra decoration, namely an engraved and grained gold dial as well as gold movement bridges engraved with a repeating pyramid motif. The Oeuvre d’Or FB 1.1-2 in white gold A tribute to marine chronometry Modern day Berthoud watches are inspired by the works of its 18th century namesak...

Up Close: Akrivia Rexhep Rexhepi Chronomètre Contemporain “Only Watch” SJX Watches
F.P. Journe Astronomic Blue Oct 25, 2019

Up Close: Akrivia Rexhep Rexhepi Chronomètre Contemporain “Only Watch”

Independent watchmakers are a major presence at Only Watch 2019, accounting for almost half the 50 lots in the charity auction coming. Importantly, two of them will probably end up in the top five by value – the F.P. Journe Astronomic Blue and the Rexhep Rexhepi Chronomètre Contemporain “Only Watch”. While the Astronomic Blue is the most complicated wristwatch F.P. Journe has ever made, the Chronomètre Contemporain “Only Watch” is a time-only watch, with a suitably modest estimate of 40,000-60,000 Swiss francs, though it’ll probably sell for five to seven times the low estimate. Hammered, and enamelled The key element that sets the “Only Watch” edition apart from the standard Chronomètre Contemporain is the dial. Completely unique because of the technique – used here for the first time in an Akrivia watch – the dial combines the surfaces finish of Akrivia’s two distinct collections: the hand-hammered decoration of the contemporary AK line and the vitreous enamel of the classic Rexhep Rexhepi range, named after the brand’s founder. Several attempts were required to get a perfect dial – Rexhep showed me one of the rejects with a cloudy finish in September – but the result is quietly impressive. Note that it is hammered and then enamelled, but not hammered enamel. Ordinarily a new dial colour doesn’t mean very much, but because the Chronomètre Contemporain regarded, and Rexhep has kept his promise not to do variations or custom orders of th...

Sneak Peek: Akrivia Rexhep Rexhepi Chronomètre Contemporain “Only Watch” SJX Watches
Rexhep Rexhepi Sep 16, 2019

Sneak Peek: Akrivia Rexhep Rexhepi Chronomètre Contemporain “Only Watch”

On a recent trip to Geneva I dropped by the Akrivia workshops in the city’s Old Town and spotted the Rexhep Rexhepi Chronomètre Contemporain “Only Watch”, still in its constituent parts and almost ready for assembly. The dial, however, was finished and gorgeous. It’s a serene grey-blue, made of translucent enamel over a hand-hammered dial plate. Produced with lots of careful effort and a tiny hammer, the hammered finish is usually only applied to Akrivia’s gold dials found on the AK series watches, and is being combined with enamel for the first, and probably only, time. It was a tedious process to get right, which is why the Akrivia is one of the last to be completed amongst the Only Watch line-up. Produced by the same Geneva enamel artisan that does the fired enamel, or grand feu, dials of the standard watch, this dial for the Only Watch example is the second one made, hence “version 2” on its packaging. Rexhep felt the first dial made was not up to scratch – it had too much variation in colour – and had a second one produced. And the first dial was finished only after a handful of trial runs, where it was established that the thinning effect of the hammered surface meant it could not be counter-enamelled on the back as the standard dials are. Aside from the hammered surface, the dial is also unique because the markings are painted in fired enamel, rather than printed. This makes the numbers, lines and text more substantial. And because the ena...

Back To Basics: Chronometers - What Are They, And Why Should You Care? Fratello
Mar 12, 2024

Back To Basics: Chronometers - What Are They, And Why Should You Care?

In this installment of Back to Basics, we’ll dive into chronometers. What does this term mean, and why should it be relevant to you? If you are (relatively) new to the watch hobby, the word “chronometer” may be somewhat confusing. Technically, any object that measures (meter) time (chrono) is a chronometer, right? Then why do […] Visit Back To Basics: Chronometers - What Are They, And Why Should You Care? to read the full article.

How chronometers went from ships to wrists Time+Tide
Sep 14, 2023

How chronometers went from ships to wrists

As soon as John Harrison realised that a pocket watch could be made to be just as accurate as his 60cm-tall chronometer sea clocks, the road to wristwatch chronometry had begun. Most watch enthusiasts are familiar with how wristwatches became popular after WWI, thanks to the convenience of keeping your hands free while soldiering. It … ContinuedThe post How chronometers went from ships to wrists appeared first on Time+Tide Watches.

Akrivia Rexhep Rexhepi Chronomètre Contemporain II (RRCC II): Despite Looking Similar to its Predecessor, Everything is New Quill & Pad
Rexhep Rexhepi Sep 3, 2023

Akrivia Rexhep Rexhepi Chronomètre Contemporain II (RRCC II): Despite Looking Similar to its Predecessor, Everything is New

The classic design of the Akrivia RRCC II’s dial has roots in founder Rexhep Rexhepi’s vision of high-quality nineteenth-century pocket watch dials adorned with high-fire enamel and combined with a modern twist based on “sector” dials of the 1930s and '40s. But there's much more to this brand-new watch than that as Elizabeth Doerr explains.

Rolf Lang Combines Lalique Crystal and a Hand-Made Tourbillon in a Table Clock SJX Watches
Feb 27, 2022

Rolf Lang Combines Lalique Crystal and a Hand-Made Tourbillon in a Table Clock

German independent watchmaker Rolf Lang produces both wristwatches and clocks – including a lavish gold egg containing a marine chronometer – and he now turns to French glassmaker Lalique for his latest sculptural clock. Their collaboration resulted in the Phoenix Clock that is entirely hand engraved and equipped with a gigantic tourbillon – held aloft by a glass-crystal sculpture of a soaring eagle with wings spread. Rolf Lang Initial thoughts Like the ultra-luxe egg clock of 2018, the Phoenix is appealing for its strong design and craftsmanship. The father of independent watchmaker Marco Lang, Rolf Lang’s house style is highly decorative and rooted in 19th century watchmaking so the aesthetic means the clock is not for everyone, but it is certainly impressive for those who appreciate what it is. With its ornate decoration, the Phoenix evokes the elaborate clocks and watches made for the Chinese market in the 19th century. It has an old-fashioned style and quality that stands in contrast with most contemporary watchmaking. And the clock excels at what it does, which is to impress while sitting on a desk. Still, it manages to be different and slightly modern as a result of the to the clever use of high-contrast materials. The crystal sculpture is splendid, and the clock itself is even more attractive with the ultra-large tourbillon sitting in full view under a glass sphere. While it has a big price tag, the Phoenix is special; there are nothing quite like it ...