Timex Women's T5K230 Ironman 30-Lap Digital Watch Quartz movement Easy to use 24-hour countdown timer with: countdown/stop (CS) and countdown repeat (CR) 1-hour chronograph with lap or split option; 3-lap memory recall for effortless review after workout;99-lap counter Indiglo night-light and NIGHT-MODE feature; daily/weekday/weekend alarm with 5 minute back-up; two time zone settings makes travel easy Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving