Patek Philippe, Complications, reference 5205G-013, 18-carat white gold automatic watch. 18-carat white gold case, guilloché dial with triple annual calendar and moon phase, applied hour markers. In-house automatic movement with annual calendar and moon phase display — the brand’s iconic complication. In excellent condition. The annual calendar calibre is a patented invention by Patek Philippe — manual adjustment is required only once a year. 40 mm (vertical) x 40 mm (horizontal). Outer box, inner box, user manual, warranty receipt, certificate.