BOVET 1822 Virtuoso XI

Re-imagined and re-engineered Virtuoso VIII manufacture movement designed from the start for skeletonization. Features the patented double-sided flying tourbillon and patented spherical differential winding system (which halves crown turns for full winding). Over 60 hours of hand-engraving on movement and case with Bovet's signature Fleurisanne motif. Completely skeletonized with every plate, bridge and surface fully hand-engraved. More transparent than any other Bovet timepiece. 10-day power reserve from single barrel.