Timex Women&#39;s T5K2279J Ironman Traditional 10-Lap Black Resin Strap Watch Indiglo night-light 100-hour chronograph with lap and split times, 99-lap counter 24-hour countdown timer with stop and repeat 10-lap memory recall for effortless review after workout Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving