The jeweler create its own watchmaking Heart in Switzerland during the 1980s As well as in 2000 bought the impartial high-horology ateliers of Daniel Roth and Gerald Genta (the latter Established through the famous watch designer who contributed the Bulgari Bulgari), incorporating their expertise in to the parent Bulgari brand. https://www.scribd.com/document/866381118/Classic-Sophistication-The-Enduring-Appeal-of-Swiss-Watches-for-Men-and-Women