OMEGA REF. 176.002 SPEEDMASTER MARK III STEEL
Omega, "Automatic, Speedmaster Professional, Mark III", No.
35597349, Ref. 176.002. This reference was launched in 1971.
Fine, tonneau-shaped, self-winding, water-resistant, stainless
steel pilot's wristwatch with date, round button chronograph,
12-hour register, central minute recorder, tachometer, the 24
hours with night/day indication and a stainless steel Omega link
bracelet with deployant clasp (Ref. 1162/1/172).