Chrono24 is a German-based online marketplace for luxury watches, founded in 2003 and headquartered in Karlsruhe. It connects professional dealers and private sellers with global buyers, listing over 500,000 timepieces and attracting 20 million monthly visitors from more than 120 countries. The platform offers escrow services, authentication, and market insights to ensure secure transactions. With offices in Berlin, New York, and Hong Kong, Chrono24 plays a leading role in the e-commerce and luxury goods industry.