Patek Philippe Calatrava 3820J Silver Breguet Dial Tear Drop Lugs in 18k Yellow Gold 1961 waterproof chronometer wristwatch to feature

waterproof chronometer wristwatch to feature a date window that changed automatically at midnight—something we now take for granted

5cm at most

This striking example boasts a matte black dial accented by contrasting white registers

featuring a thick case

The case is strong with good even lugs and the fluted bezel also has great definition

Patek Philippe Calatrava 3820J Silver Breguet Dial Tear Drop Lugs in 18k Yellow Gold 1961 waterproof chronometer wristwatch to featureIntroduced in 1932 during the Great Depression, the Patek Philippe Calatrava Ref. 96 was heavily influenced by the German Bauhaus principle of form follows function. As Patek Philippes first serially produced wristwatch, it played a crucial role in the companys survival by offering a modern, minimalist alternative to ornate pocket watches. Named after the 12th century Spanish Order of Calatrava, it remains the benchmark for the classic dress watch.