The watch must be COSC certified
The movements are submitted to the entire series of tests in accordance with the ISO 3159 norm.
All of the movements submitted for Fleurier Quality certification must have passed the tests.
For copyright reasons the procedure for obtaining the Swiss Official Chronometer COSC certification cannot be reproduced. This may be consulted on the following websites:
- www.cosc.swiss - Contrôle Officiel Suisse des Chronomètres
- www.iso.org - ISO 3159:2009
