Omega. A stainless steel keyless wind open face 1/10th second stop watch

Ref: MG6309, Circa 1965
Omega. A stainless steel keyless wind open face 1/10th second stop watch
Reference: MG6309
Date: Circa 1965
Movement: Jewelled manual wind
Dial: Black, white Arabic numerals, black outer 1/10th second divisions, subsidiary dial at 12 for 10 minute totaliser, white tapering baton hand
Case: Round textured, screw down back, reset and winding crown at 12
Signed: Case, dial & movement
Size: 54mm
Accompaniments: Fitted red Omega plastic case/holder