This Type of design has a lengthy heritage at Patek, relationship back again towards the early nineteen sixties with the ref. 2597 Travel Time Calatrava. As James Stacey stated in his Hands-On While using the 5164R in 2019, the movement inside the 2597 originated within the intellect of Louis Cottier https://www.watchesworld.com/germanys-top-10-favourite-luxury-watches/