Up for grabs is an Omega Speedmaster Moonwatch 3873.50.31 reference, "sapphire sandwich". This is the same watch as 3573.50, but comes from factory on leather strap. 770978XX serial number with warranty card dated in 2007 Excellent used condition watch is unpolished with minor signs of wear. Serial number is fully intact on the lug. The bezel is in excellent vintage condition with minor signs of wear. Both crystals are damage free The strap is original, Omega, in used but good condition. No rips, crack, or tears. OEM Omega steel deployment clasp. Watch comes with original Omega boxes, manual book, warranty card and pictorgrams. Warranty card matches the watch with numbers, stamped by Omega Boutique and dated in 2007. Watch winds smoothly, chrono runs, stops and resets as it should. No service history known. My price is $3,250 shipped within US. I ship via FedEx w/ ParcelPro insurance so international shipments are not an issue. This price is NET and firm. Your trade-in offers are welcomed, but lesser cash offers are not. Thanks! 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!