This Sort of style and design has a lengthy history at Patek, dating again towards the early sixties with the ref. 2597 Travel Time Calatrava. As James Stacey pointed out in his Palms-On Together with the 5164R in 2019, the motion while in the 2597 originated in the head of https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/