This Sper Scientific Stopwatch will count up or down to 20 hours in 1/100 second resolution and offers many advanced features.
Sonically welded case ensures excellent water resistance. Large 5/8" high display for good visibility. Counts up to 24 hours with resolution of 1/100 second for the first 40 minutes and 1 second resolution thereafter. Has lap function. Also features an alarm clock and a calendar. Button cell battery included.
Dimensions: 3¼" x 2½" x ¾"
Weight: 2.4 oz
N.I.S.T. traceable Certificate of Compliance available at additional cost (Select option above).