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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)

Ferdinand Berthoud FB 1.3 Chronometer
Ferdinand Berthoud

Ferdinand Berthoud FB 1.3 Chronometer

by YWH Team 30 September 2017
by YWH Team

The Ferdinand Berthoud FB 1.3 Chronometer is the third execution of the FB 1 Chronometer and comes in a platinum case

Omega Seamaster Aqua Terra Worldtimer Master Chronometer 220.93.43.22.99.001
Omega

Omega Seamaster Aqua Terra Worldtimer Master Chronometer

by YWH Team 15 September 2017
by YWH Team

The Omega Seamaster Aqua Terra Worldtimer Master Chronometer is a possible precursor for an affordable Omega world timer

Ulysse Nardin Marine Annual Calendar Chronometer 1133-210/E3
Ulysse Nardin

Ulysse Nardin Marine Annual Calendar Chronometer Blue Dial

by YWH Team 5 September 2017
by YWH Team

The new Ulysse Nardin Marine Annual Calendar Chronometer with blue enamel dial still embraces the heritage of UN

Ulysse Nardin Marine Torpilleur
Ulysse Nardin

Ulysse Nardin Marine Torpilleur

by YWH Team 24 August 2017
by YWH Team

The Ulysse Nardin Marine Torpilleur is an entry-level UN model that comes in stainless steel. Sure, it is also available in gold

IWC Aquatimer Automatic 2000 Edition 35 Years Ocean 2000 ref. IW329101
IWC Schaffhausen

IWC Aquatimer Automatic 2000 Edition 35 Years Ocean 2000

by YWH Team 12 August 2017
by YWH Team

35 years after Porsche designed the Aquatimer 2000, IWC launches this IWC Aquatimer Automatic 2000 Edition 35 Years Ocean 2000

Porsche Design Chronograph 911 GT2 RS
Porsche Design

Porsche Design Chronograph 911 GT2 RS

by YWH Team 10 August 2017
by YWH Team

There is a new Porsche 911 GT2 RS and therefor new owners can buy this Porsche Design Chronograph 911 GT2 RS as well

Bovet Virtuoso VIII 10-Day Flying Tourbillon Big Date
Bovet

Bovet Virtuoso VIII 10-Day Flying Tourbillon Big Date

by YWH Team 26 July 2017
by YWH Team

This Bovet Virtuoso VIII 10-Day Flying Tourbillon Big Date is not only a watch, it is a form of art as well

Carl F. Bucherer Patravi ScubaTec Manta Trust 00.10632.23.33.98
Carl F. Bucherer

Carl F. Bucherer Patravi ScubaTec Manta Trust

by YWH Team 21 July 2017
by YWH Team

The Carl F. Bucherer Patravi ScubaTec Manta Trust supports the protection of manta rays, which is an endangered species

Omega Seamaster Diver 300m Commander’s Watch
Omega

Omega Seamaster Diver 300m Commander’s Watch

by YWH Team 18 July 2017
by YWH Team

This Omega Seamaster Diver 300m Commander’s Watch is inspired by James Bond, who used to wear a Rolex until 1995

Nomos Glashuette Aqua Ahoi Neomatik
Nomos Glashuette

Nomos Glashuette Aqua Ahoi Neomatik

by YWH Team 5 July 2017
by YWH Team

The Nomos Glashuette Aqua Ahoi Neomatik offers some fresh new colors and a great ultra thin movement. Water-resistant up to 200 meters

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