Shock Resistant, Carbon Core Guard structure • 200-meter water resistance • World time • Stopwatch • Countdown timer • Alarm/hourly time signal: 5 daily alarms, Hourly time signal • Light: Double LED light, LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow), LED backlight for the digital display (Super illuminator, selectable illumination duration • LED: White • Full auto-calendar (to year 2099) • Mute feature: Button operation tone on/off • 12/24-hour format • Hand shift feature • Regular timekeeping: Analog: 2 hands (Hour, minute (hand moves every 20 seconds)) 1 dial (Day), Digital: Hour, minute, second, pm, month, date