Split stopwatch "Slava"-II-B, made in the USSR in 1980s. 

Sport split stopwatch-II-1B production of 2-nd Moscow watch factory. Split-stop watch has 2 second hands and allows to detect intermediate values of the measurement.

For example, the motorcyclist should drive 10 laps, but we need to measure the time of each round, without interrupting measurement of the time of arrival. Split by pressing the button allows you to pause the red seconds hand for intermediate values, while a black seconds hand runs on. Pressing the button again returns the red arrow to black, they move together.

Dimensions:

height - 90 mm
diameter - 65 mm
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Stopwatch mechanical!!!  You need to manually start the watch mechanism!!!

This Stopwatch is in good working condition!