This Kind of design and style has a protracted record at Patek, relationship again to your early sixties with the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Fingers-On with the 5164R in 2019, the motion inside the 2597 originated in the brain of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/