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Feature
Shock Resistant, 200 Meter Water ResistantElectro-Luminescent Backlight with Afterglow, Mineral Crystal
1/100 second stopwatch, Countdown Alarm, Auto-repeat function
Daily Alarm, Hourly time signal, 12/24 Hour Formats, Auto Calendar (pre-programmed until the year 2039)
Battery: 2 years on CR2016, Module 1659