GMW-B500 Series Stainless steel and resin composition Digital dial Adjustable resin band with loop Mineral glass Shock resistant 200-meter water resistance World time zones Stopwatch, timer, alarm, and hourly time signal Calendar Mute feature White LED backlight Energy saving modes 12/24-hour format Regular timekeeping: Hour, minute, second, am/pm, month, date, day Size: H 0.51 x W 1.7 x L 1.94 in Weight: 96 grams