Swiss Legend Men's 10125-BB-01 Challenger Chronograph Black Dial Black Silicone Watch Swiss quartz movement Mineral crystal with sapphire coating; black ion-plated stainless steel case; black silicone strap Chronograph functions with 60 second, 30 minute and day of the week subdials; date function Black dial with black hands, white tone hour markers and Arabic numerals; luminous; unidirectional black ion-plated stainless steel bezel with white Arabic numerals; black ion-plated pushers with black protective spring bars and screw-down crown Water resistant to 660 feet (200 M): suitable for recreational scuba diving