Omega Speedmaster Professional Moonwatch S 105.003-64

Omega. A Very Fine and Rare Stainless Steel Chronograph Wristwatch with Tropical Dial Signed Omega, Speedmaster, Movement No. 20'527'035, Case Ref. S105.003-64, Manufactured in 1965 Cal. 321 mechanical movement, 17 jewels, metal dust cap, chocolate tropical dial, applied OMEGA symbol, luminous baton numerals, outer fifths of a second divisions, luminous baton hands, three sunken engine-turned subsidiary dials for constant seconds, 30 minutes and 12 hours registers, crystal etched with OMEGA symbol, tonneau-shaped water-resistant-type case, black bezel with tachymeter scale calibrated to a maximum of 500 units, straight lugs, screw back with engraved seahorse logo, SPEEDMASTER and O inscription, OMEGA crown, two round chronograph buttons in the band, case, dial and movement signed 38mm diam. , Various Properties