Citizen Men's Quartz Stainless Steel and Rubber Sport Watch, Color:Black (Model: BJ2000-09E) Light powered Eco-Drive Caliber B741 Japanese-quartz movement; charges in natural sunlight or indoor light Max power reserve: 60 days; low charge warning: two day; quick start ability; charge time from stop state to max charge Durable, hardened mineral crystal; case diameter: 48 mm; depth display up to 125 feet; maximum depth memory; unidirectional rotating time-elapsed bezel Stainless-steel case; black dial; 50-minute chronograph function; 12-24 hour time; date function at three o'clock; screw-back case and screw-down crown Water resistant to 660 feet (200 M): suitable for recreational scuba diving