MILITARY STOPWATCH - SPLIT SECOND TIMER - PATT. 4. -  WAR DEPARTMENT PHEON ᗑ

Engraved to the rear:-

532

PATT 4

ᗑ

43390

This stopwatch is currently not working hence selling as for spares or repair.

I understand from that if watches have been left for sometime the watch lubrication gets think and jams the workings.