For sale is a beautiful Omega Speedmaster Professional manual winding watch (Moon Watch). This model is the 3870.50 reference which is the same as the 3570.50 but on leather strap. Features a 42mm stainless steel case, the classic black dial on an aftermarket brown leather strap. The 1861 movement runs strong and not in need of a service any time soon. As with all my watches authenticity is guaranteed. Please note that the photos form part of the description. If you have any questions or offers please let me know! I am located in Sydney, Australia but happy to ship internationally. I have references on a number of Omega Forums, Watch U Seek and eBay. Feel free to contact me for info (+614 37 00 00 77). Ref: 3870.50 Case Material: Stainless Steel. Case Diameter: 42mm. Crystal(s): Hesalite. Movement: 1861. Accessories: Box and Papers. Movement: Runs strong and all functions work as should. Crystal(s): Great condition. Case: Good condition but with light marks from wear (see photos) Bezel: Good condition. Bracelet: Leather Strap with deployment clasp Asking $2,950 AUD (roughly $2,100 USD).