Movement: calibre BR-CAL.285 Haute-Horlogerie complication movement. Flying tourbillon with carriage in the shape of the "&" from Bell & Ross. Chronograph. Mono-pusher control built into the crown. Start, Stop, Reset. Column wheel mechanism: "high-end" The column wheel is visible under the dial at 12 o'clock. The entire chronograph mechanism is visible on the dial side via the skeleton bridge. Power reserve. Single barrel offering a power reserve of 100 hours +0 -3, i.e. 4 days minimum.
Skeleton main plate and bridges (of movement and chronograph), developed exclusively by Bell & Ross. Customised, skeleton movement bridge. Satin-finished, 12 - 6 o'clock, with polished bevelling. Customised, skeleton chronograph bridge in satin-finished steel, 12 - 6 o'clock, with polished bevelling. Circular satin-finished tourbillon carriage with polished bevelling