Corum Buckingham Champagne Dial in 18k Yellow Gold Ref. 57181The story of Corum began in 1955 when Ren Bannwart, driven by his entrepreneurial spirit and expertise from working with prestigious watchmakers, founded the brand alongside his uncle, Gaston Ries. Bannwart drew inspiration for the name from the word "quorum," signifying the minimum number of people required for meaningful discussions and decisionshe simplified it to create the distinctive name, Corum. The Buckingham series debuted in the early 1960s