Electronic Sport Watch.

Electronic Sportwatch is a digital stopwatch designed for precise time measurement in sports and other activities. 

Key features and uses include:

• Accuracy: Measures time with 1/100th second accuracy, ideal for competitive sports like swimming and running, as well as scientific experiments.
• Functions: Includes a stopwatch mode, countdown timer, daily alarm, and automatic calendar with 12/24 hour display.
• Lap Memory: Can store multiple lap times, with models like the TA2100 and TA228 offering 100-lap memory.
• Design: Features a clear digital display, durable ABS casing, and often comes with a lanyard for easy carrying.
• Versatility: Suitable for various settings including sports training, laboratory experiments, cooking, and general time management. 

To use the stopwatch:

1. Setting time/date: Use the mode and set/recall buttons to navigate and adjust the time and date.
2. Starting/stopping/resetting: The start/stop button initiates and pauses the timer, while the reset button clears the display.
3. Lap timing: The lap/split button records intermediate times during an event without stopping the main timer.