SMITHS MILITARY WWII 1940'S GSTP POCKET WATCH 18j Instead of being marked 0104

Instead of being marked 0104 which is the full caliber designation it should read 0105

Circa 1904

with  wear on the high points

This example has a 16 jewel movement with the cruciform case ring and the high quality balance

The strap size is a Smiths norm

SMITHS MILITARY WWII 1940'S GSTP POCKET WATCH 18j Instead of being marked 0104This is an early 1940's British army or other forces 30 hour pocket watch with a 19 ligne movement. Simply engraved on the back GSTP and a broad arrow. This is a pre series movement with no number. there is a military adoption stamp inside which we can not read. The case is 3 piece snap together made of brass or nickel plating. The case is approximately 52mm. There is one repair mark in the back which has a broad arrow with an F under it. This