Patek Philippe Henry Graves Supercomplication

The most expensive watch/pocket watch ever sold at auction is the Patek Philippe Henry Graves Supercomplication, fetching US$23.98 million (23,237,000 CHF) in Geneva on November 11, 2014.

•  It was named after banker Henry Graves Jr who commissioned it out of his desire to outdo the Grande Complication pocketwatch of American automaker James Ward Packard.
• 23.2 million Swiss francs (£15.1 million, 19.3 million euros).

The most expensive wristwatch ever sold at auction, however, is the Paul Newman's Rolex Daytona, fetching 17.75 million US dollars in New York on October 26, 2017.