The Timex Classic 50-Lap Fullsize Ironman watch packs a stopwatch with 50 lap memory, two interval timers with repetition counters, and 3 alarms into a rugged and handsome case to help you optimize your day whether you are tracking appointments or training for a marathon. The watch has an INDIGLO Night-Light and a large high contrast face for easy reading under any conditions. Water resistance to 100M rounds out the package.Calendar with day/date/month.INDIGLO Night-Light.Water resistance - 100M.Case Size - 41mm.