Omega. A fine and rare stainless steel chronograph wristwatch with black dial and bracelet made for the Argentine Air Force Signed Omega, Ref. CK 2451, movement no. 15’148’829, case stamped 174-1, manufactured in 1957 Movement: cal. 27 CHRO C2, manual, 17 jewels, signed Dial: signed Case: screw back engraved with Argentine Air Force military logo, 35 mm. diam., signed With: stainless steel Omega bracelet with folding clasp, Extract from the Archives confirming the manufacture of the present watch on 2 October 1957 and its sale to Argentina as well as the case back engraved with Argentine Air Force military logo