OMEGA.A FINE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET SIGNED OMEGA, SPEEDMASTER PROFESSIONAL MODEL, REF. ST 145.022 -69 ST, MOVEMENT NO. 30'589'960, MANUFACTURED IN 1970 Movement: Cal. 861, manual, 17 jewels, signed Dial: Signed Case: Screw down back, 42 mm. diam., signed With: Stainless steel Omega braceletAnd deployant clasp stamped 1039And 3.70, overall lengthApproximately 210 mm., endlinks stamped 516, Omega Extract of theArchives confirming production of the present watch on 4 September 1970And delivered to Japan