Features: resin case resin band mineral glass shock resistant led light auto light switch world time 29 time zones 1/1000-second stopwatch measuring capacity 9959'59.999'' countdown timer 5 independent daily alarms (4 one-time alarms and 1 snooze alarm) hourly time signal full auto-calendar (to year 2099) 12/24-hour format regular timekeeping accuracy ±15 seconds per month 200-meter water resistance size of case/total weight 55 x 51.2 x 16.9 mm/73g