COSC

Contrôle Officiel Suisse des Chronomètres

This article is about the Swiss Official Chronometer Testing Institute, known by its French acronym of COSC.

For the state college in Connecticut, see Charter Oak State College.

COSC is Contrôle Officiel Suisse des Chronomètres, the Official Swiss Chronometer Testing Institute, which is the institute responsible for certifying the accuracy and precision of wristwatches in Switzerland.

单词	COSC
释义	COSC 英语百科 COSC This article is about the Swiss Official Chronometer Testing Institute, known by its French acronym of COSC. For the state college in Connecticut, see Charter Oak State College. COSC is Contrôle Officiel Suisse des Chronomètres, the Official Swiss Chronometer Testing Institute, which is the institute responsible for certifying the accuracy and precision of wristwatches in Switzerland.
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