Diamond Mechanical Stopwatch
There are 2 common models enumerated below:
W-110 – 1/10 sec
Resolution/Least Count: 1/10 sec – 0.1 sec
Dial: 30 Seconds
Max Time: 30 Minutes
Made of Stainless Steel
Single button construction. Single button for Start->Stop->Reset
W-150 – 1/5 sec
Resolution/Least Count: 1/5 sec – 0.2 sec
Dial: 60 Seconds
Max Time: 30 Minutes
Made of Stainless Steel
Single button construction. Single button for Start->Stop->Reset
