With a nod to the original Ironman watches of yore, the Timex Ironman Endurance 30-lap watch combines burly vintage styling with contemporary technology and durability. Oversized digits are easily read at a glance, even while youre running. Features 100 hr. chronograph with lap or split option 30-lap memory recall 24 hr. countdown timer with stop and repeat capabilities. Includes 2 time zones and daily, weekday and weekend alarm with 5-minute backup. Also includes 99-lap counter, forward/backward setting and built-in setting reminders. Indiglo night light Night-Mode activates lighting with the flick of the wrist. Soft polyurethane strap offers flexibility for a comfortable fit. Water resistant to 200m 660 ft..