Richard Mille - RM 40-01 - Automatic Tourbillon McLaren SpeedtailReference: RM 40 01 Model: Automatic Tourbillon McLaren Speedtail IN HOUSE CALIBRE CRMT4 Automatic winding tourbillon movement with hours, minutes, variable geometry rotor, oversize date, power reserve indicator and function selector. Limited edition of 106 pieces Based on the form of a teardrop, the most aerodynamically efficient shape found in nature, the Speedtail is the apotheosis of the streamlined hypercar, a three seat grand tourer that became