The jeweler setup its own watchmaking Centre in Switzerland from the 1980s As well as in 2000 bought the independent high-horology ateliers of Daniel Roth and Gerald Genta (the latter founded from the legendary watch designer who contributed the Bulgari Bulgari), incorporating their know-how in to the guardian Bulgari brand. https://www.mediafire.com/file/wm8j10eev3cedto/Heritage_Wrapped_in_Elegance_-_Swiss_Watches_Reimagined_for_Modern_Women.pdf/file