The Duochronograph.

The perfect watch for those who love extremes. Leading-edge technology from SINN make the duochronographs of the 756 series extraordinarily resistant to pressure and high-altitude conditions.

756
756
756 II
756 III
756 S
756 UTC
756 S UTC
757 II
757 III
757 DIAPAL
757 S
757 S UTC