Key Features The iconic Timex Ironman Triathlon 50 lap SLEEK with reverse face & distinctive black & orange styling&44; as advertised in Runners World magazine & London Marathon magazine 50 lap memory recall 100 hour chronograph with lap & split in large digits 99 lap counter On-the-fly recall of lap or split option Multiple workout storage with best lap&44; average lap&44; total segment time & date Syncro timer maintains total activity time & overall running time 2 interval timers settable up to 24 hours with automatic Countdown Stop (CS) / Countdown Repeat (CR) Interval repetition counter Stainless steel top ring (Styles: T5H391&44; T5H381 & T5H371 INDIGLO night-light with NIGHT-MODE feature All day white reflector display 3 alarms 2 time zones Water resistant 100 metres Reversed-colour display