OMEGA Speedmaster Professional, Ref. 145.012-67SP. Ca. 1967/1968. Armbanduhr. OMEGA Speedmaster Professional, Ref. 145.012-67SP. Ca. 1967/1968. Wrist watch. Stainless steel. Handwound movement, calibre 321. Movement no. 26079430. Leatherband with original pin buckle clasp. Signs of wear on case and band, lugs with damages! Certificate of authenticity by Juwelier Pletzsch enclosed, 09/2020. Diameter ca. 40mm (measured without crown).