Stainless Steel Case, 100 hour chronograph with lap/split either in large digits,50 lap memory recall.On-the-fly recall of lap 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 format synchro timer,maintains total activity time (less time paused during workout) and overall running time.Interval timers settable up to 24 hours.Automatic interval repetition counter.Lap counter (99 Laps).3 alarms settable for daily/weekday/weekly. 2 time zones.Forward or backward setting.12/24 hour time.Hourly chime.Built-in setting reminders.Month/day/date.Indiglo night-light.All-day-white reflector display.Night-Mode.2 year battery life, 7.5 inch band length Resin Band