Patek Philippe 18k yellow gold Perpetual Chronograph, manual, size 43mm x 37mm. Patek model 5020J with an 18k yellow gold tonneau-shaped case and bezel, sapphire crystal exhibition caseback, silver dial with applied yellow gold Arabic numerals, Breguet hands, four year calendar, perpetual calendar, moonphase, minute register, date, week-day hand, month hand. Brown Patek strap and 18k tang buckle. Patek box, second caseback and papers.* One year full warranty.