Calatrava 2526 — Third Series, Metal Dial

Patek Philippe 12-600 AT

Patek’s first automaticAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. movementMovementThe working mechanism inside a watch or clock., launched in the ref. 2526, with a large guillochéGuillochéDecorative patterns engraved into a surface with an engine-turning machine. Similar-looking patterns do not by themselves establish how a dial was made. 18k gold rotorRotorAn oscillating weight that uses wrist movement to wind an automatic watch’s mainspring. (the first decorated ) and ; very robustly built. Its descendant, the 27-460, powered the .