Value Soaring: Forbes' Most Expensive Watch in the World

Evan Zimmermann has a passion for faces -- of timepieces. So enamored is he of horology that four years ago he left his job as a lawyer to become managing director of Antiquorum, the world's largest auctioneer of watches, with headquarters in New York. Now the 40-year-old Zimmermann, who roams the globe in pursuit of timepieces, gets to watch closely as some of the rarest add to his growing personal collection.