The Timex Ironman Triathlon 150-Lap Sleek digital watch will help you get the most out of your exercise. It features 150-lap memory, 9 interval timers, and INDIGLO illumination. Oversized digits are easily readable at a glance, even while youre running. Features 100-hour chronograph with lap or split option, 150-lap memory recall, 100-hour 3-mode countdown timer and 1-button lap reading with auto-release. Includes 12/24 hour time format, 9 interval timers, 3 programmable alarms, 5-minute backup alarm and a second time zone with date display. INDIGLO illuminates the display for easy use at night. Long-wearing polyurethane strap is comfortable and wont absorb sweat sleek, aerodynamic stainless-steel caseback is rugged yet classy. The Timex Ironman Triathlon 150-Lap Sleek digital watch is water-resistant to 100m 330 ft..