Frederique Constant - Highlife 39mm - COSC Certified EQ0603-59F while its 100m /10 ATM

while its 100m /10 ATM waterproof rating means getting wet is no big deal

Additional Details: Case Diameter: 44 mm

45 months battery life

A true evergreen that is always in season and reflects our love of manufacturing the finest leathers

battery life: 2 years on CR2016

Frederique Constant - Highlife 39mm - COSC Certified EQ0603-59F while its 100m /10 ATMRarely 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