This Kind of style has a protracted historical past at Patek, dating back again to the early sixties Using the ref. 2597 Travel Time Calatrava. As James Stacey mentioned in his Fingers-On With all 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/