Extech 365535  

Extech 365535: Decimal Stopwatch/Clock

Water resistant decimal stopwatch/clock with user-selectable resolutions

This Decimal Stopwatch/Clock has user-selectable resolutions of 1/100th of a second, 1/1000 of a minute, and 1/100,000th of an hour. Additional features includes pacer from 5 to 240 beeps per minute and a large triple display with adjustable contrast. Complete with CR2032 lithium battery and 39" (1m) neck strap.