This 3710/1A-001 “Jumbo” Nautilus automatic watch, features a 42 mm case. This is a stainless steel example with black dial and stainless steel bracelet with a fold-over clasp. Functions include hours, minutes and seconds, date and state of winding indication. This watch was first introduced in 1997 and discontinued in 2005. The reference was an upgrade from reference 3700 and was fitted with a power reserve indicator at 12 o’clock.The Patek Philippe Jumbo Nautilus was available in one version only steel on steel, with black dial