Certina DS Podium Big Size Chrono watch. The acronym DS for Certina stands for "double security." All Certina watches with the DS System incorporate a thick sapphire crystal, a double seal on the crown and back, a reinforced case back and a mechanism for holding the machinery for strong vibrations.

Chronograph with three sub dials showing: 60 seconds, 30 minutes and 12 hours. Automatic movement with a 46-hour power reserve. Water resistant to 100 meters / 330 feet.