"Light Powered - No batteries to change, ever! Shock Resistant 200 meter water resistant World time in 26 time zones, 30 cities Daylight savings time on/off Blue LED Lights at the 3 and 9 O'clock positions Illuminate the Face (The digital portion of the face does not have a seperate backlight) 1/100 second stopwatch with measuring capacity up to : 23:59'59.99"" Stopwatch measuring modes: elapsed time, split time, 1st-2nd place times 4 alarms with snooze Hourly time signal Auto-calendar (pre-programmed until the year 2039) 12/24- hour formats Accuracy: +/- 15 seconds per month"