Patek Philippe Complications World Time; Rare Handcrafts 5231G-001 self-winding mechanical watch features a 38.5mm 18k white gold case surrounding a Grand Feu cloisonné world timer dial with Oceania and South-East Asia on a blue alligator leather strap with an 18k white gold folding buckle. Functions include hours, minutes, world time with 24-hour and day/night indication for all 24 time zones. This watch is powered by the Manufacture Movement Caliber 240 HU. This watch is water-resistant to 30m.