HAMILTON POWELL Crown & Caliber Atlanta crownandcaliber.com  facebook.com/crownandcaliber Instagram: @crownandcaliber “The one thing needed to change an industry is usually someone from outside the industry,” says Hamilton Powell, CEO of Crown & Caliber, an online retailer that specializes in certified pre-owned luxury watches. He’s speaking from experience. Powell came to the watch industry by way of finance; he ran a private equity firm before founding Crown & Caliber in 2013. The company is based in Atlanta, boasts 46 full-time employees, including a team of watchmakers, and has more than 300,000 active users. While still in the financial world, Powell heard horror stories of friends trying to sell expensive watches in pawnshops and online—so he decided to do some research. “I found there’s an estimated $100 billion in Rolexes, Breitlings, and Om