This certified authentic Brand New Patek Philippe Nautilus Sports Watch, with the Model Number: 5712/1A-001, has a Stainless Steel 40 mm Case with Screw Down Crown and a Stainless Steel Bezel. This Men's Patek Philippe Nautilus has an attractive Blue Dial with Index Dial Markers. The high quality Patek Philippe Automatic Movement will keep perfect time for you. The reliable Patek Philippe Stainless Steel Bracelet will look great on your wrist. Patek Philippe 5712/1A-001 Nautilus 40mm Blue Index Moon Phase Date Stainless Steel Automatic B