Personal Collections of Famous Billionaires

Jay-Z

Hip-hop mogul Jay-Z collects watches. Jay-Z's watch collection includes a Rolex Cosmograph Daytona 116500, an Audemars Piguet Royal Oak, and a custom Richard Mille 56, according to Swiss Watch Expo. Jay-Z is worth $1 billion. A Rolex Cosmograph Daytona retails for $12,400, according to Rolex's website.