Welcome to WatchesToBuy.com Vintage Watches For Sale. Online over 20 years. Derek Dier has been studying vintage watches for over 35 years with a focus on vintage Omega and Rolex. You’ll find over 200 watches of all types and brands here. Derek’s watches have adorned the entire main cast of AMC’s Mad Men as well as numerous Netflix, Apple, and big screen movies. Our loyal customers have dealt with us for many years as we help build their collections. We hope you discover your next vintage watch here.