🕒 Patek Philippe Calatrava ref. 3569 🜋

Wonderful Patek Philippe Calatrava 🜋 style ref. 3569/1 with a rare backwinding (for a refined design / shape) from 1975 in 18k gold with a beautiful gold sigma dial (APRIOR dial)! ⚜️✨, running on a automatic Patek Philippe (PP) Cal. 1-350 28J @3Hz signed with the Geneva seal 👌🏼🗝️🦅 (first innovative bi-directional peripheral rotor) and equiped with the original PP 18k gold buckle.
More info about the Patek Philippe Cal. 1-350; here.
Read about the history of Patek Philippe; here.