How do you use Timex stopwatch?

Excuse me, could you please elaborate on how one might effectively utilize the Timex stopwatch? I'm particularly interested in understanding the steps involved in starting, stopping, and resetting the timer, as well as any additional features or functionalities that might be available. Additionally, I'd appreciate any tips or tricks you might have for maximizing the efficiency and accuracy of the stopwatch during various activities or tasks. Thank you in advance for your assistance.