General purpose LCD digital stopwatch times to 24 hours with features of single-action, time-out, cumulative split and continuous timing. Timing resolution is 0.01 of a second for the first 30 minutes, then continues timing to 23 hours, 59 minutes, 59 seconds with 1 second resolution. As a chronograph, the stopwatch displays time of day in hours, minutes and seconds, A.M./P.M., date and day of the week. It also has a time-of-day alarm.
Water resistant, O-ring sealed and shock-resistant ABS plastic case is ideal for lab and plant use. Tactile-feel, “click” switches provide a positive action. Accuracy is 0.01%. Size is 2 1/8 x 2 3/8 x 1/2”. Supplied with two-year “always-on” battery and lanyard.

* Item 910-100-04 includes a certificate with an individual serial number indicating instrument traceability to standards provided by NIST (National Institute of Standards and Technology).  All watches are manufactured by Marathon Comapny, except item 910-100-04 is made by Traceable.com