Frederique Constant - Highlife 39mm - COSC Certified FE6102-53A Diamonds Crystal Anti-Reflective Spherical Crystal

Diamonds Crystal Anti-Reflective Spherical Crystal Water Resistance WR100/10Bar/333ft

Bezel: CARBONOX™+

band and bezel

5 mm Case material Stainless steel Case size 29 mm Case thickness 6 mm Case back Snapped Water resistance 50 m

the perfection of the circle

Frederique Constant - Highlife 39mm - COSC Certified FE6102-53A Diamonds Crystal Anti-Reflective Spherical CrystalRarely 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