Up for grabs is an Omega Speedmaster Professional Moon Watch 3590.50.00 reference with caliber 861 movement 482666XX serial number circa 1991. This early production series did not have serial number on case lug. Very good vintage condition watch with no major dings, dents, or deep scratches, but shows signs of wear. Appears to be unpolished with original finish and crisp lugs. Very nice tritium dial with yellow patina and tritium hands. Bezel is in good overall condition with a dent between 75 and 70. Caseback is excellent and stamped ST 145022 Bracelet is in very good vintage condtion, reference 1479 and fits up to 8" wrist. Chrono runs and resets as should. No documented or known service history. No box or papers. Currently runs at +6 seconds per day at ~290 amplitude and requires no attention. My price is $2,300SOLD shipped within US. Please add $30 for international shipping. I ship via FedEx w/ ParcelPro insurance so international shipments are not an issue. This is a firm and net price. Trade-ins are welcomed, lesser cash offers are not. You can reach me by calling or texting 757-749-9675. For international customer, this number is also for WhatsApp. My email is [email protected] Plenty of worldwide references. You will have a 72 hour inspection period. Please return for full refund less shipping if it is not as pictured or described. Follow me on Instagram @LunarOyster to see newest inventory before it goes up on my site or forums!