The process of certification of mechanical watches is in accordance with the METAS requirements N001.
Requirements for the certification of mechanical watches [METAS N001, version 1.1.] (PDF, 1006 kB, 06.07.2020)
The english version of the requirements is a translation of the original French text. In the event of discrepancies between the original French text and this document the French text shall prevail.
Last modification 01.03.2019