PATEK PHILIPPE NAUTILUS Reference: 5711/1A-010. Serial number: 5680432 / 4936159. Steel case. Blue dial, baton hour markers, date window at 3 o’clock. Self-winding mechanical movement (calibre 324 SC). Stainless steel bracelet with a signed folding clasp. Sapphire crystal. Circa 2012. Diameter: 40 mm. Supplied with its case and documentation. A stainless steel wristwatch with an automatic movement, by Patek Philippe. Circa 2012. RC: Comes with its original case, papers, spare links, a travel case and all its booklets. Sold as is, with signs of wear and use. Movement was functioning at the time of writing this description; a routine service is recommended; no warranty provided.