Richard Mille RM11-04 Roberto ManciniSkeletonised automatic winding movement with hours, minutes, seconds, oversize date, month, flyback chronograph with central minutes counter and variable geometry rotor. Circa 55 hours ( 10%), 45 hours with chronograph running. Actual power reserve results will depend on how much the chronograph features are utilised. The baseplate and the bridges are crafted of grade 5 titanium, a biocompatible, highly corrosion resistant and remarkably rigid alloy,