Such A design and style has a lengthy background at Patek, courting back again towards the early 1960s with the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Arms-On Together with the 5164R in 2019, the movement within the 2597 originated from the intellect of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/