18kt yellow gold 10mm wide Vintage Bvlgari "B.zero1" 4-row band, size 6.25 (no sizing). Bvlgari, founded in Rome in 1884 by Greek Silversmith Sotirio Bulgari, is a globally recognized Italian luxury brand known for its jewelry, watches, accessories and fragrances. The B.zero1 collection defies convention and trends with its signature blend of Roman inspiration, industrial design and state-of-the art craftsmanship.