Rolex. A stainless steel keyless wind open face military issue pocket watch

Circa 1940

Date: Circa 1940
Movement: 15-jewel Swiss lever, cut and compensated bi-metallic balance, No.368
Dial: Black, gilt Arabic numerals, gilt outer minute track with five minute markers, subsidiary seconds at 6, gilt spade hands, No.A.9418
Case: Polished round, screw down back, engraving reads 'A.9418 G.S.MK.II↑', personal engraving to back
Signed: Case, dial & movement
Size: 50mm