Patek Philippe Calatrava Aquatic ref. 2451 in 18k yellow gold Silver dialThe Patek Philippe Calatrava was first introduced in 1932 as reference 96, marking a pivotal moment in the brands history. It was the first model launched following the acquisition of the company by Charles and Henri Stern, and it was designed to rejuvenate the Geneva based manufacture. Since then, the Calatrava has remained one of Patek Philippes most iconic and enduring collections. With only subtle evolutions over the decades, it continues to