BG-169 Series Resin composition Digital dial Adjustable resin band with loop Mineral glass Shock resistant 200-meter water resistance Carbon core guard structure Approx battery life: 3 years on CR1616 World time zones Stopwatch, timer, alarm, and hourly time signal Calendar Button operation tone on/off Size: H 0.65 x W 1.68 x L 1.81 in Weight: 43 grams   Style: bg169r-3 Material: Resin