The Patek Philippe Calatrava is the most famous dress watch in history. In today's guide, we are demystifying the collection to clarify the Caltrava's diverse range of options for any collector. Let's get started.The Ref. 96 and the Founding Thesis of an Icon (1932)The ref. 96 arrived in 1932, the same year Charles and Jean Stern acquired Patek Philippe during the Depression. The timing was not coincidental: the Sterns came from dial-making family Cadrans Stern Frères, Patek's own dial manufacture, and knew the industry well. The ref. 96 was a statement of the direction the brand would be headed under the leadership of the Stern family. Bauhaus thinking was moving through European design, and the ref. 96 epitomized it: a round case, a coin edge bezel, a clean white dial with simple, minimalist indexes, and leaf hands. In essence, it presented everything you need and nothing you didn't.The ref. 96 is documented as Patek's first serially produced wristwatch, which gives it a foundational position in the catalog. The case runs 31mm and wears delicately on any wrist above medium sizing, presenting a beautiful and elegant silhouette that reflects its vintage presence. In person, the simple coin edge bezel does wonders to draw the attention to the dial itself, in essence framing the dial display.