Ironman Women's All Day Sleek 50-Lap. Part #: T5K499 A stylish digital watch that can merge into a woman's everyday life while still providing strong sport functionality. Includes two interval timers to make interval training easy. Features. Stainless steel top ring for a stylish flair Chronograph training log stores workouts by date with best lap, average lap and total segment time 100-hour chronograph with lap or split in large digits 50-lap memory recall On-the-fly recall of lap or split 99-lap counter Total run format/synchro timer maintains total activity time (less time paused during workout) and overall running time 2 interval timers settable for up to 24-hours: countdown/stop (CS) and countdown/repeat (CR) Automatic interval repetition counter 3 customizable alarms: daily/weekday/weekend/weekly options 2 time zone setting reminders make travel easy All-day white reflector display Built-in setting reminders Forward/backward setting for ease of use Comfortable silicone strap Water resistance to 100m Easy to view in low light conditions with INDIGLO night-light Turn on INDIGLO night-light with any button with NIGHT-MODE feature