Patek Philippe, Genève, "Nautilus," movement No. 3173838, case No.4375816 , Ref. 5712/ 1A-001. Very fine and rare, large, cushion-shaped, self-winding, water-resistant, stainless steel wristwatch with date, moon phases, power reserve indication and a stainless steel Patek Philippe link bracelet with concealed double deployant clasp. Accompanied by the original box, Certificate of Origin, additional links and instruction booklet. Sold in 2008 Dial, case and movement signed, in very good condition, AS NEW DIM: 42 x 44 mm THICKNESS: 9 mm NOTE: Reference 5712 was launched in 2006, replacing reference 3712 Start price : 20000