The Ultimate Event Watch from Optimum Time is fully waterproof and the jumbo display features a clock, a countup (from zero) timer with alarm, and a programmed countdown timer with alarm.
The buttons features on the Optimum Time Ultimate Event Watch have a positive click-type operation and are also on the top panel to avoid accidental knocking. Once the timer is running only the start/stop button and the mode button have any function. Whenever a button is pressed that is going to have any function the alarm sounds a single beep.
An essential item for eventors!