Frederique Constant Watch Highlife FC-303C3NH6B. The Highlife Automatic COSC meets the criteria of the COSC, the Official Swiss Chronometer Testing Institute. This means it is a piece whose precision is certified by an independent measurement body, attesting to its mechanical excellence. As a guardian of the long tradition of high-precision Swiss Made timepieces, the Highlife Automatic COSC is also finished according to the standards of fine Geneva watchmaking, with its movement visible through a sapphire case back.