Omega Speedmaster ST 145.022

Case Stainless steel case with round chronograph pushers & open sapphire caseback, black aluminum bezel with a Tachymeter scale Bracelet Stainless steel bracelet with a folding clasp, signed "Speedmaster" Dial Black enamel dial with luminus indices, minutes counter at 3 o`clock, 12-hour counters at 6 o`clock, small seconds at 9 o`clock Movement Black enamel dial with luminus indices, minutes counter at 3 o`clock, 12-hour counters at 6 o`clock, small seconds at 9 o`clock, limited edition 0954/1957 pcs signed "Omega Speedmaster Professional" Cal. 861 Ref. ST 145.022 Movement No. 26.609.464 D= 42 mm Year 1970