SIGNED PATEK PHILIPPE, GENÈVE, NAUTILUS MODEL, REF. 4700, MOVEMENT NO. 1'523'787, CASE NO. 557'411, MANUFACTURED IN 1981

With Patek Philippe Extract from the Archives confirming production of the present watch with black ribbed dial in 1981 and its subsequent sale on October 28th of the following year. Further accompanied by a Patek Philippe presentation box, suede pouch, and outer packaging.
The dial was changed from a black ribbed dial to a gold ribbed dial by Patek Philippe at the owner's request.