Shock resistant (G-SHOCK) Magnetic resistant LED light Auto light switch; selectable illumination duration; afterglow World time 29 time zones (48 cities + coordinated universal time); daylight saving on/off 1/100-second stopwatch Mach indicator (speed exceeding 1225 units / hour) Countdown timer Measuring unit 1 second 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 Analog 2 hands (hour; minute (hand moves every 20 seconds)) Digital Hour; minute; second; pm; month; date; day Accuracy +/-15 seconds per month Size of Case 55.0 X 51.2 X 16.9 mm Weight 70g