Case material: Steel; Charge: Automatic; Conditions: Used Year : 2011; Presentation condition : With dealer guarantee ; Model: Nautilus Price on request Gmtbroker Reference: 5712/1A-001 A Stainless Steel Power Reserve Moonphase Nautilus Gents Wristwatch, black-blue dial with applied hour markers,   small seconds between 4 and 5 0'clock ,  date and moonphase indicator between 6 and 8 0'clock,  48 hour  power reserve indicator between 10 and 11 0'clock,  a fixed stainless steel bezel,  a stainless steel bracelet with a stainless steel double deployant clasp, sapphire glass,  exhibition back, automatic movement, up to 48 hours power reserve, in excellent condition, comes with a Patek Philippe box  and an   Extract from the Archives confirming its original date of sale as December 1st, 2011.