Casio WVA104HDA-2AV

50 Meter water resistant Electro-Luminescent backlight with Afterglow Atomic Watch, recieves time calibration radio signals which keep the displayed time accurate Time calibration signal reception Auto-Recieve function World time, 29 time zones, 30 cities, Daylight-saving time on/off Date alert, Display flashes when set date is reached 1/100th second stopwatch, split/lap time, 1st-2nd place times 4 daily alarms and 1 snooze alarm Auto-calendar (Pre-programmed until the year 2096) Accuracy +/- 20 Seconds per month Approximate battery life: 2 years on CR 1620