· 100-hour chronograph with lap/split, either in large digits· 50/100/200-lap (mega) memory recall· On-the-fly recall of lap or split· Top pusher for easy lap and split· Training log, stores workouts by date, with best lap, average lap and total segment time· Total run formatlsynchro timer, maintains total activity time (less time paused during workout) and overall running time· Interval timers settable up to 24 hours· 2 timers (50-lap styles)· 9 timers (100-lap styles) 10 timers (mega-lap styles) with countdown/stop (C5) countdown/repeat (CR)· Automatic interval repetition counter· Lap counter· 99 laps (50-lap styles)· 199 laps (100 and mega-lap)· 3 alarms settable for daily/weekday/ weekend/ weekly II 2 time zones· Forward or backward setting · 12/24 hour time· Hourly chime· Built-in setting reminders· Month/day/date· INDIGLO'" night-light· AII-day-white reflector display· NIGHT-MODE'" feature· 2 year battery life**· Water-resistant 100m