Features: case/bezel material: resin resin band quartz movement mineral glass shock resistant digital display led backlight (super illuminator) flash alert multi time (4 different cities) world time(31 time zones) countdown timer 1/100-second stopwatch 5 daily alarms or one-time alarms hourly time signal full auto calendar(to year 2099) 12/24-hour format button operation tone on/off regular timekeeping accuracy: ±15 seconds per month 200 meter water resistance approximate size of case: 55 × 49.7 × 16.6mm