Slava stopwatch not quite right.
Stopwatch second hand does not reset to zero. I found out why.
Slava stopwatch. Caliber 5498, 20 jewels, 3 button. 36.000 vibrations per hour. Made by the 2nd Moscow Watch Factory.
This video performed by an amateur. Do not attempt at home. No watches were harmed in the making of this video. For entertainment only.