Cartier Santos de Cartier Medium WSSA0029 - Specs, History & Market Cartier Santos de Cartier Medium WSSA0029: The original aviator's watch (1904) in its modern form - 35.1 x 41.9mm with QuickSwitch bracelet. Full editorial specs, history, and current market context. Luxury Watch Brand Directory Watch Categories WatchExpress Insights Watch Terminology Glossary