This Kind of design has a long heritage at Patek, dating back again on the early sixties Using the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Fingers-On With all the 5164R in 2019, the motion in the 2597 originated within the thoughts of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/