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'Certified Chronometer’ certification attracts media attention

The temple of Swiss watchmaking precision is emerging from its bubble.

Le Temps is talking about us. Find out how the COSC, the benchmark for chronometric certification, shapes Swiss watchmaking excellence.

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COSC enters a new era: time for the public

WorldTempus highlights our transformation. New look, new ambitions: the COSC is opening up to the general public to share its passion for watchmaking precision. Find out how we are reinventing chronometric certification.

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The COSC wants to promote appreciation for chronometry

ArcInfo is highlighting our efforts to open up to the general public. The COSC is modernizing its image to better share Swiss watchmaking excellence. Discover our new ambitions and certifications.

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