Such A design and style has a long heritage at Patek, courting back towards the early nineteen sixties While using the ref. 2597 Travel Time Calatrava. As James Stacey outlined in his Palms-On Using the 5164R in 2019, the movement during the 2597 originated with the head of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/