BGD-10 series Resin Resin band Mineral glass Shock resistant 100-meter water resistance Approx. 3 years battery life 29 time zones 1/100-second stopwatch Countdown timer 5 daily alarms Hourly time signal LED backlight Full auto-calendar Button operation tone on/off Accuracy: ±30 seconds per month 12/24-hour format Dimensions: L 1.69" x W 1.54" x H 0.58"   Style: bgd10l-7 Color: White Material: Resin