Steel, automatic, mineral crystal, folding clasp, ca 1972.
Caliber 1040,Reference no. ST 176.005, Serial no. 35.598.984, Case no. 176.005, Clasp referenceno. 1162/173.
Iänmukaista kulumaa.
Caliber 1040 was the first self-winding chronograph movement used by Omega.