Patek Philippe Complications World Time 7130G-016 self-winding mechanical watch features a 36mm 18k white gold case with diamond bezel surrounding a gray-blue guilloched dial on a peacock blue alligator strap with an 18k white gold tang buckle. Functions include  hours, minutes, world time with 24-hour and day/night indication for 24 time zones. This watch is powered by the mechanical movement Caliber 240 HU. This watch is water-resistant to 30m.