Frederique Constant Highlife Automatic COSC 41mm Watch new-old-stock and elegance

and elegance

a small second at 6 o'clock

promising to be cherished as coveted heirlooms for generations to come

ensuring accurate timekeeping in various environments

Frederique Constant Highlife Automatic COSC 41mm Watch new-old-stock and eleganceTesting 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 after the watches have undergone numerous tests over several days.