1970 Omega Speedmaster Pre-Moon ref. 145.022 on Original 1116 Bracelet

Up for grabs is an Omega Speedmaster Pre-Moon

reference 145.022-69 with Pre-Moon Caseback, Cal. 861 movement

305820XX serial number circa 1970 production. 

Very good vintage condition case with signs of being worn and polish but retains sharp edges and shape of case.  

Dial is original, step, with very attractive yellow patina. No damage on dial. Hands are tritium and original with dark patina. 

The bezel is original DNN in nice condition with dark blue hue in person.

Caseback is original in good condition with clear Hippocampus on back and stamped 145.022-69 inside. 

Bracelet is Omega 1116 with 575 end-links. This bracelet was produced for Speedmaster for only about 4 years from 1968 until 1971. 

Crystal is original Omega hesalite with logo in center. 

The watch winds smoothly, runs, chrono runs, stops and resets. No service history is known. Time grapher shows +20 seconds with ~250 amplitude. The watch will need a service if you are planning on using it on daily basis.