Stock No.

Exhibit No.20

Collection No. 117






Calibre 861 manual winding, copper coloured, steel brake, 17 jewels, 21,600 VpH, with shuttle cam chronograph function

Case Material

Stainless steel with asymmetrical lugs, with Omega-signed crown, wide and tall pushers Caseback, outer signed SPEEDMASTER, above seahorse logo, and Ω  below, inside stamped HF (Huguenin Frères) and 145022-69 ST. Omega-signed, acrylic polymer Hesalite glass


Matte black, now fading to ‘Tropical’ brown, stepped, signed with painted Ω, and OMEGA, Speedmaster, PROFESSIONAL with tall tritium hour markers, further marked T SWISS MADE T at the bottom


Presented in exceedingly good, pre-owned condition with a highly desirable faded-to-dark chocolate brown ‘tropical’ dial, with matching light-colour patination to the tritium lume on the hour indices and hands. The original dot over 90, diagonal 70, bezel insert is chipped, as expected for its age, while the later ref. 1175 bracelet is in very good condition with signs of daily wear. This very attractive, pre-moon reference is one of the finest examples we have seen.


42mm diameter (excluding crown), bracelet circumference approximately 200mm


Type 6. Stainless steel No.1175, with 640 end links, and folding clasp signed Ω OMEGA


Flat baton white hours and minutes with tritium luminescence, flat counterweight chronograph seconds with long tritium pointer, and white baton sub-registers


Original Omega-signed box and papers dated 10 December 1972. With Omega Extract from the Archives confirming production of the watch on December 6, 1968 and its subsequent delivery to the British Navy, Army and Air Force Institutes (NAAFI)


Case, crown, dial and movement


Steel support with black aluminium insert, silver script