Timex Unisex T5K388 Ironman Triathlon 10-Lap Watch 100-hour chronograph with lap or split option, 10-lap memory recall, 99 lap counter Easy to use 24-hour countdown timer with: countdown/stop (cs) and countdown/repeat (cr) Top pusher for easy operation, customizable alarm, 2 time zones for easy travel Indiglo night-light with night-mode feature Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving