Omega Speedmaster Moonwatch ST 345.0809

Omega. A rare stainless steel chronograph wristwatch with date, phases of the moon, bracelet and certificate Signed Omega, Speedmaster Professional, movement no. 46878835, ref. ST 345.0809, circa 1985 Cal. 866 copper-finished lever movement, 17 jewels, metal dust cover, the black dial with luminous baton numerals, luminous hands, four subsidiary dials indicating phases of the moon combined with date, constant seconds, 30 minutes and 12 hours registers, in tonneau-shaped water-resistant-type case with screw back centred by Speedmaster logo, tachymetre scale to the black bezel, unusual moulded lugs, two round chronograph buttons in the band, stainless steel Omega link bracelet and deployant clasp, case, dial and movement signed 42 mm. wide