Use "stop watch" in a sentence

1. Wrist-watches, battery or accumulator powered, whether or not incorporating a stop-watch facility

2. Open Source Physics Stop Watch Computer Model NIST Recommended Practice Guide: Special Publication 960-12 Stopwatch and Timer Calibrations

3. While a Chronograph may look complicated, it’s essentially a stop watch you can master in a few easy steps

4. The appellants contended that the Selection Board failed to adhere to the timeframes for the conduct of the GCT test, failed to utilize a stop watch or accurate timepiece as prescribed in the test procedures and did not adhere to the requirements for non-admittance of late candidates.