Frederique Constant - Highlife COSC Certified 30 mm accompanied by a silver white

accompanied by a silver white dial

Watch Size 38mm Watch Thickness 10mm Band Width 20mm Movement Japan

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light-powered watch features luminous hands and the date

Frederique Constant - Highlife COSC Certified 30 mm accompanied by a silver whiteRarely are watches certified by the COSC (Official Swiss Chronometer Testing Institute). This certificate is only issued to pieces that can guarantee perfect isochronism over a given time and at given positions in effect, their ability to tell the time correctly, consistently and precisely, within the strict limits enforced by an ISO standard. The COSC is an independent Swiss organization that only issues its chronometer certificates to these pieces