Frederique Constant - Highlife COSC Certified Skyhawk Crystal Material: Sapphire

Crystal Material: Sapphire

Stainless steel butterfly button release buckles for leather bands

featuring a date counter at 9 o’clock and a moon phase counter at 3 o’clock

Men's Series 800 watch

From the Classic Collection

Frederique Constant - Highlife COSC Certified Skyhawk Crystal Material: SapphireRarely 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