The word “chronometer” carries a lot of weight on the dial of a mechanical watch. It’s a guarantee that the watch has been certified by a third party to meet certain rigorous accuracy standards, ...
The Contrôle Officiel Suisse des Chronomètres adds a new chronometer standard, certifying watches accurate to six seconds a day. By Robin Swithinbank It has been half a century since the Contrôle ...
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Your next luxury watch could be even more accurate – everything we know so far about the new COSC standard
If you're buying a luxury watch and want to ensure its as accurate as possible, you'll want to look out for something called COSC certification. That classification from the Contrôle Officiel Suisse ...
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Dracula, prince of darkness, lord of the undead! This mythical character leaped onto the page from the fevered imagination of Irish writer Bram Stoker in 1897. But the historical figure who shares a ...
Today, Feb 12, it finally became official what the new, optional and additional certification from COSC will demand from the watch brands. But first a brief recap: COSC has been around since 1973, and ...
If you’ve ever flipped a watch over and seen the word “chronometer” on the caseback, you’ve seen COSC’s handiwork. The Contrôle Officiel Suisse des Chronomètres has been the independent body ...
The COSC is introducing an additional level of certification, an extension, not a replacement, of the existing standard. It will feature a daily rate tolerance of 6 seconds instead of 10, magnetic ...
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