Mark 1 Economy Stopwatch

The BSN mark 1 economy stopwatch is available in 8 solid colors and most suitable for physical education classes or sports exercise. The device is equipped with an alarm, hour time functions, used for single events. A cumulative split is available, and the device runs for a twelve to the twenty-four-hour system.

Pros
Available in 8 solid colors
Water-resistant
Easy to use

Cons
The battery hatch can’t be removed