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- Sper Scientific 810035 Large Display Water Resistant Stopwatch. 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. Counts up to 24 hours
- Lap function
- Alarm clock
- Calendar
- Sper Scientific 810035 Large Display Water Resistant Stopwatch. 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. Counts up to 24 hours
- Alarm clock
- Calendar
Large Display, Water Resistant Digital Stopwatch. 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. N.I.S.T. traceable certificate of compliance available. Dimensions: 3¼” x 2½” x ¾” Weight: 2.4 oz.