Up for sale is an Omega Mark 4.5 with the venerable (and discontinued) Lemania 5100 movement (Omega cal. 1045). There is a lot of interesting history behind this movement with a central minute counter and Omega watch. Plenty to read about on the internet. This particular example is in excellent condition. There is no box and papers, but the reputable seller I bought from stated that it was recently serviced. It runs well and keeps good time. The watch is dated to 1982, so if you are looking for a birth year watch, this would be a great one. It looks like it has been lightly polished, but done professionally. It still has the radially brushing on the case typical of the Omega mark series and the case flanks have nice sharp angles. It looks great. The bracelet is also in good condition with minimal stretch for a 40+ year old bracelet. This particular watch has the day function in German. The watch will ship in a leather travel case. Please don’t hesitate to ask any questions. Price: $3100 includes all shipping to CONUS. I don’t accept PayPal. Wire or Zelle only.