G-Shock GD400 Watch

Shock Resistant, 200M Water Resistant, LED Backlight, Auto Light switch, hourly time signal, countdown timer, World Time, Daylight saving on/off, 5 Daily Alarms Selectable flash alert and direct start from timekeeping mode, Full Auto Calendar (pre-programmed until the year 2099), Low Battery Warning Button, Battery: CR2032, Approx. battery life: 3 years Quartz Movement Case Diameter: 49.7mm Water Resistant 200m (660ft): in General, Suitable for Professional Marine Activity and Serious Surface Water Sports, but not Diving