OMEGA. A FINE STAINLESS STEEL CHRONOGRAPH WRISTWATCH WITH BRACELET SIGNED OMEGA, SPEEDMASTER PROFESSIONAL MODEL, REF. ST 145.022, MOVEMENT NO. 29’117’836, MANUFACTURED IN 1970 Movement: Cal. 861, manual, 17 jewels, metal dust cap, signed Dial: Signed Case: Screw back, 42 mm. diam., signed With: Stainless steel Omega bracelet with deployant clasp stamped 1039/1 69, endlinks stamped 516, overall length approximately 170 mm., Extract of the Archives confirming production of the present watch on 6 April 1970 and delivered to Italy
Reference 145.022 was launched in 1969 and fitted with the new dial with the painted Omega logo instead of the applied version. The reference is called the "Pre-Moon" (before the first step on the Moon). It had the Hippocampus engraved on the case back which was later replaced by the engraved inscription "first watch worn on the moon".