Up for grabs is an Omega Speedmaster Professional Moon Watch
145.022 reference cal. 861
399274XX serial number circa 1979 production.
The serial number is correctly within range for 145.022-76 caseback.
Excellent vintage condition. Appears to be unpolished with original finish and sharp lugs. No corrosion or pitting. Shows signs of wear, obviously, but no major dings or dents.
Excellent original tritium dial. No damage, scratches, or uneven aging. The hands are original and tritium and damage-free.
Crystal is original hesalite Omega with logo in center.
Bezel is original in excellent vintage condition.
Caseback is excellent with crisp engraving stamped 145.022 – 76 inside.
Bracelet is original 1171/633 from 1970’s, fits about a 7.5″ wrist.
No box or papers. No other accessories. No documented service history. The watch winds smoothly, runs at about -8 seconds per day at ~280 amplitude. Chrono runs, stops, and resets.