How to read analog or Mechanical stopwatch? A mechanical stopwatch can measure a time interval of up to 0.1 seconds.It has a knob that is used to wind the spring that powers the watch. It can also be used as a start-stop and reset button.

Press the button at the top of the stopwatch to reset the hands to the zero mark. How to Read Digital Stopwatches. Look at the first two digits on a digital stopwatch. Those numbers represent the minutes used. You can see a digital stopwatch in the pictur

You can use alarms to time when a workout should end or even as a morning alarm clock. Countdown mode: This mode refers to a countdown you can set for any given workout or task. You can preset your stopwatch to a certain time you want to count down from.