Breitling Bentley Breitling Bentley Collection was realized with the partnership between Swiss watch manufacturer and British car manufacturer. The Breitling Bentley line comprises of excellent chronographs, each one a COSC certified chronometer. The calibre features a column wheel with a vertical coupling clutch, boasting with over 70-hour power reserve. Breitling Bentley series presents B06, B04 GMT, B05 Unitime, Barnato, Barnato Racing. Case size 49mm and waterproofed up to 100 meters.