The landscape of horology is constantly shifting, with new discoveries and technical breakthroughs defining the art and science of time. These developments affect the course of time itself, in some instances, and usually raise the bar in timekeeping. Once in a blue moon, so to speak, these breakthroughs can be felt as well as seen.

Welcome to the Ballon Bleu de Cartier, a new constellation in the firmament of horology. Introduced just two years ago, the collection has quickly formed a formidable presence in the iconography of the luxury brand.