Swiss Legend Men's 10125-GM-104 Challenger Analog Display Swiss Quartz Grey Watch Gunmetal-tone watch featuring chronograph functions with 60-second, 30-minute and day-of-the-week sub dials Also features unidirectional bezel, screw-down crown, tachymeter, and luminous features 48 mm stainless steel case with synthetic-sapphire dial window Swiss quartz movement with analog display Stainless steel link bracelet deployant clasp Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving