5600 Series Resin Mineral glass Shock resistant 200-meter water resistance Approx. battery life: 5 years on CR2016 1/100-second stopwatch Countdown timer Hourly time signal Multi-function alarm LED backlight Full auto-calendar (to year 2099) Flash alert Accuracy: ±15 seconds per month 12/24-hour format Dimensions: 1.9" x 1.6" x 0.5" Compatible band size up to 8"   Style: gskdw5600tnt-7 Color: White Material: Resin