Patek Philippe Perpetual Calendar 18K Yellow Gold Watch 3940. It features an automatic movement with a range of impressive technical specifications, including a Gyromax balance adjusted to various conditions, a 22K gold micro-rotor, and 27 jewels. The watch has a 36.0 mm 18k yellow gold case with concave lugs and a sapphire crystal. The dial is matte silver with applied yellow gold faceted baton indexes and various subsidiary dials for calendar functions. It is in excellent condition, accompanied by Patek archive papers and a Patek travel case, ensuring its authenticity.
Patek Philippe Complications - Moonphase - Yellow Gold - 36 MM - 3940J