Watch Wiki

The Best Watches and Watch Brands

User Tools

Site Tools



Contrôle Officiel Suisse des Chronomètres (COSC) is the official chronometer testing organization in Switzerland. It was founded in 1973 by the FH and five Swiss Cantons and remains the premier testing organization in the country, with its name being synonymous with chronometer certification today.

We use cookies and other tracking technologies to improve your browsing experience on this website and for data collection for personalized ads.More information
cosc.txt · Last modified: 11.10.2021 20:49 (external edit)

Copyright © Watch Wiki: The Best Watches and Watch Brands | Impressum | Privacy Policy