This Kind of style has a protracted historical past at Patek, courting again on the early sixties While using the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Hands-On with the 5164R in 2019, the motion inside the 2597 originated from your head of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/