The Worldtime, or "Heure Universelle," has been an emblematic Patek Philippe complication for over 80 years. Featuring a yellow gold case and the cloisonné execution, with its hand-applied gold wire cells fired layer by layer, represents one of the high points of modern Patek artisanal watchmaking. A true convergence of complication and artistry, increasingly hard to find. DM for enquiries.