Known within collecting circles as 'The Big Boss', Davide Parmegiani has brought and sold the most important and valuable Patek Philippe watches since he became a dealer in the 1980s. To put this into perspective, each one of the known Patek Philippe steel ref. 1518 watches has been through his hands! In 2019, his career expanded further when he became co-chair of Monaco Legend Auctions. In this candid interview, John Reardon discusses the past, present and future of collecting watches.