Frederique Constant - Highlife 39mm - COSC Certified Weekender Being prepared means you can

Being prepared means you can make split-second decisions and tackle life with confidence

Highly elastic

Water Rating

Domed crystal available in either mineral or sapphire

sizes and designs to choose from

Frederique Constant - Highlife 39mm - COSC Certified Weekender Being prepared means you canRarely 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