Columbia Unisex CW006005 Tailwhip Black and Silver-Tone Digital Sports Watch Imported 100 hour chronograph; 5 interval timers Hydration alarm (up to 48 hours prior) 35 lap memory; 3 alarms 10 run data storage (total time, best lap, average lap) Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving