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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)

Rolex Cosmograph Daytona Oysterflex 2017 Gold
Rolex

Rolex Cosmograph Daytona Oysterflex 2017 Gold

by YWH Team 26 March 2017
by YWH Team

Three new Daytona’s: the Rolex Cosmograph Daytona Oysterflex 2017 Gold. In yellow gold, white gold or pink gold with rubber strap

Tissot Ballade Powermatic 80
Tissot

Tissot Ballade Powermatic 80 COSC

by YWH Team 18 March 2017
by YWH Team

The Tissot Ballade Powermatic 80 looks a lot like the Chemin des Tourelles, a bit boring, is COSC certified and offers great value for money

Arnold & Son Tourbillon Chronometer No. 36
Arnold & Son

Arnold & Son Tourbillon Chronometer No. 36

by YWH Team 13 March 2017
by YWH Team

The Arnold & Son Tourbillon Chronometer No. 36 is an homage to a 240-year old pocket watch by John Arnold: the Arnold 36

Omega Seamaster Planet Ocean PyeongChang 2018 Limited Edition
Omega

Omega Seamaster Planet Ocean PyeongChang 2018 Limited Edition

by YWH Team 21 February 2017
by YWH Team

This Omega Seamaster Planet Ocean PyeongChang 2018 Limited Edition commemorates the coming Winter Olympics

Breitling Colt Skyracer
Breitling

Breitling Colt Skyracer

by YWH Team 13 February 2017
by YWH Team

The Breitling Colt Skyracer is Breilting’s latest pilot model. It’s made from polymer with composite fibers to make it ultralight

Tudor Heritage Black Day Bronze
Tudor

Tudor Heritage Black Day Bronze

by YWH Team 5 January 2017
by YWH Team

Just wait for a short period and your Tudor Heritage Black Day Bronze will become unique as the bronze creates a patina over time

Breitling Navitimer 01 (46 mm) Limited Edition Panamerican Black
Breitling

Breitling Navitimer 01 (46 mm) Limited Edition Panamerican Black

by YWH Team 9 December 2016
by YWH Team

The Breitling Navitimer 01 (46 mm) Limited Edition Panamerican Black is the fifth limited edition within the 46-millimeters Navitimer 01 collection

Rolex Yacht-Master 40 Everose Rolesor 116621
Rolex

Rolex Yacht-Master 40 Everose Rolesor

by YWH Team 2 December 2016
by YWH Team

The Rolex Yacht-Master 40 Everose Rolesor brings a combination of steel and gold, the first time Rolex offers this on the Yacht-Master

MeisterSinger The Peter Henlein Edition
MeisterSinger

MeisterSinger The Peter Henlein Edition

by YWH Team 1 December 2016
by YWH Team

The MeisterSinger The Peter Henlein Edition has two hands where you expect just one hand. Because it’s a MeisterSinger

Breitling Professional Chronospace Evo Night Mission
Breitling

Breitling Professional Chronospace Evo Night Mission

by YWH Team 25 November 2016
by YWH Team

Another new Breitling, and it’s black again! This is the Breitling Professional Chronospace Evo Night Mission. And the dial is not black but blue

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