17557 Patek Philippe 3712 Jumbo Nautilus, 3712/1A-001, This Model was Produced for less than one Year, Reserve/Moon Phase, Stainless Steel on a Stainless Steel Bracelet, Automatic Movement, Power-reserve Indicator Between 10 and 11 O'clock, Subsidiary Seconds Dial at 4 O'clock, Analog Date at 7 O'Clock with an Integrated Moon-phase Display, Grey Dial with Luminescent Hands and Index Numerals, Size: 43mm x 38mm (including lugs), Thickness: 8.7mm, Sapphire Crystal, Display Back, Water resistant 60 Meters, Original Box and Papers.