Swiss Legend Men's 10125-BB-03 Challenger Analog Display Swiss Quartz Black Watch Swiss Quartz movement Sapphitek crystal; Black ion-plated stainless steel case; Black silicone strap Chronograph functions with 60 second, 30 minute (with black borders) and day of the week subdials; Date window at 4:00 Blue dial with black and white hands, hour markers and Arabic numerals; Luminous; Unidirectional black ion-plated stainless steel bezel; Tachymeter on inner bezel; Screw-down crown Water resistant to 660 feet (200 M): suitable for recreational scuba diving