Qualite Fleurier

A Guide to Swiss Watch Certification and Testing, From COSC to Chronometrique+

Many watches are certified, for various qualities like accuracy, durability and water-resistance, by independent agencies, ranging from COSC to TIMELAB. These certifications are proof of watchmaking and chronometric excellence, with a sprinkle of savvy marketing. Here's a handy guide to the most important Swiss watch certificates. 


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