Owner Stern family Founded 1839 Origin Geneva, Switzerland Founders Antoni Patek, Franciszek Czapek, Adrien Philippe Annual Sales $2.05 billion (2023) Production Output 70,000 (2023) Number of ...

He took over the leadership from his father, Philippe, in 2009, and 23-year-old Adrien is now poised to follow a similar trajectory. Adrien Stern, left, and his father Thierry made their first ...

most significantly one including French watchmaker Adrien Philippe, who invented the keyless winding mechanism (what we now call "the crown," which had previously required a separate key for ...