Richard Mille RMAC1

Skeletonised automatic winding movement with variable-geometry rotor offering hours, minutes, seconds, flyback chronograph, 60-minute countdown timer at 9 o'clock, 12-hour totalizer, oversize date and month indicator. Developed in collaboration with Felipe Massa and inspired by F1 racing car engineering. The variable-geometry rotor's inertia can be adjusted to match the wearer's activity level. Used in the iconic RM 011 collection.