This Kind of design has a protracted background at Patek, relationship again on the early sixties Along with the ref. 2597 Travel Time Calatrava. As James Stacey described in his Fingers-On Together with the 5164R in 2019, the motion within the 2597 originated from the intellect of Louis Cottier – https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/