OMEGA SPEEDMASTER MARK III Reference: 176.002. Serial number: 31645151. Stainless steel case. Blue dial with baton hour markers, featuring two sub-dials (seconds / day-night indicator, hour totaliser). Self-winding mechanical movement (calibre 1040). Stainless steel bracelet (1162) with signed folding clasp. Mineral crystal. Circa 1970. Diameter: 41 mm. A stainless steel wristwatch with an automatic movement, by Omega. Circa 1970. RC: Sold as is, with signs of wear and use. Movement was functioning at the time of writing this description; a routine service is recommended; no warranty provided.