sentences:  Since 2004, Frederique Constant has sponsored several classic car rallies worldwide, and it develops limited-edition watches for each of these sponsorships.The sponsorships have included Healey Challenges, Peking to Paris, and the Carrera Panamericana.In 2015, the Frederique Constant and Alpina brands introduced the "Horological Smartwatch", a smartwatch product with motion and sleep tracking functions that uses a secondary analog dial rather than a screen for its display – giving the timepiece a more classic look than other such devices.