Frederique Constant - Highlife COSC Certified 18MM Dial Color:Black

Dial Color:Black

Fold Over Clasp with Push Button Case Size 25mm Case Material Two-Tone Stainless Steel Crystal Mineral Crystal Water Resistance WR

Strap Fashion Colour: Brown

Case Diameter: 40

Frederique Constant - Highlife COSC Certified 18MM Dial Color:BlackRarely 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 organisation that only issues its chronometer certificates to these pieces