Ronstan Clear Start Race Timer - Watch
~ The ultimate in starting timers
~ Wear like a watch or straps to mast
~ Make your start as mistake-proof as possible.
~ Super-huge digital readout, audible alarms
~ 24-hour clock
~ Stopwatch
~ Water resistance to 50m
~ Large, easy-to-push function keys
~ Strong stretchy wristband, and a adapter for mast or boom fitting.
~ ISAF 5,4,1,0 start sequence