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Chronometer (COSC certified)

A watch called Chronometer (COSC certified) is tested and certified to meet certain precision standards. In Switzerland, only watches certified by the Contrôle Officiel Suisse des Chronomètres (COSC) may use the word ‘Chronometer’ on them. So, it is always COSC certified.

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Some brands like Rolex and Omega, have their own certification that even goes one or a few steps further than the ‘standard’ COSC. Although they explain what extra tests they do, we label those watches with COSC as well.

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Outside Switzerland, equivalent bodies such as the Japan Chronometer Inspection Institute, have certified watches to the same internationally recognized standards.

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Chronometer (COSC certified)

Chopard L.U.C XPS Forest Green ref. 168629-3001
Chopard

Chopard L.U.C XPS Forest Green

by YWH Team 24 April 2024
by YWH Team

The Chopard L.U.C XPS Forest Green is a sector-type basic dress watch in stainless steel that follows the current fashionable colors

Tudor Black Bay Monochrome ref. M7941A1A0NU
Tudor

Tudor Black Bay Monochrome

by YWH Team 21 April 2024
by YWH Team

The Tudor Black Bay Monochrome is another new edition in the Black Bay series, this time with a monochromatic color scheme

Rolex Daytona Mother-of-pearl Gem-set White gold ref. 126579 RBR and ref. 126589 RBR
Rolex

Rolex Daytona Mother-of-pearl Gem-set White gold

by YWH Team 19 April 2024
by YWH Team

A 2024 Daytona, the Rolex Daytona Mother-of-pearl Gem-set White gold is a new variant of the renewed chronograph

Rolex Deepsea Yellow Gold ref. 136668LB
Rolex

Rolex Deepsea Yellow Gold

by YWH Team 12 April 2024
by YWH Team

The Rolex Deepsea Yellow Gold is the first extreme diving Rolex timepiece ever that comes in gold with a sparkling blue bezel and dial

Rolex Perpetual 1908 Platinum Ice Blue ref. 52506
Rolex

Rolex Perpetual 1908 Platinum Ice Blue

by YWH Team 10 April 2024
by YWH Team

After two gold versions the Rolex Perpetual 1908 Platinum Ice Blue is a new addition to the also relatively new 1908 line

Zenith Defy Extreme Mirror ref. 03.9102.9004/90.I001
Zenith

Zenith Defy Extreme Mirror

by YWH Team 7 April 2024
by YWH Team

If you want something shiny the Zenith Defy Extreme Mirror might be an option. Perhaps it’s also great for the more vain readers here

Tudor Black Bay Chrono Pink
Tudor

Tudor Black Bay Chrono Pink

by YWH Team 29 March 2024
by YWH Team

With the Tudor Black Bay Chrono Pink the Swiss brand tries to create a little hype by dropping just some bits about their new watch

Arnold & Son Longitude Titanium ref. 1LTAT
Arnold & Son

Arnold & Son Longitude Titanium

by YWH Team 26 March 2024
by YWH Team

This Arnold & Son Longitude Titanium breaks with the brand’s tradition of elegant, classic and often highly complicated time pieces

Lederer Central Impulse Chronometer 39 mm ref. 9016
Lederer

Lederer Central Impulse Chronometer 39 mm

by YWH Team 24 March 2024
by YWH Team

The Lederer Central Impulse Chronometer 39 mm is the kind of watch you want to wear reversed, as the techniques are miraculous

Breitling Aerospace B70 Orbiter ref. EB70101A1O1
Breitling

Breitling Aerospace B70 Orbiter (with a piece of balloon)

by YWH Team 21 March 2024
by YWH Team

Even if you don’t fly balloons this Breitling Aerospace B70 Orbiter might be a very handy watch for you, and it contains a piece of balloon

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