Patek Philippe Calatrava ref. 96 18k Yellow GoldIntroduced in 1932, the Patek Philippe Reference 96 is the original Calatrava, created during the Great Depression as a simpler, more accessible, and modern wristwatch. Designed by David Penney, its Bauhaus inspired, minimalist aesthetic helped define the modern dress watch, featuring a 31 mm case, a clean dial, and a small seconds display. It was the first serially produced wristwatch to carry a formal Patek Philippe reference number. Produced from