Resin 6900 series Mineral glass Shock resistant 200-meter water resistance 1/100-second stopwatch Countdown timer Hourly time signal Multi-function alarm Flash alert with buzzer LED backlight Full auto-calendar  12/24-hour format Battery life of approximately 5 years on CR2016 Size: H 0.74" x L 2.09" x W 1.97"   Style: gskdw6900jt25-2 Color: Multi Material: Resin