This AN-serial titanium Richard Mille RM11 Annual Calendar Flyback Chronograph Le Mans Classic Limited Edition of 150 pieces is rated 9.7 out of 10. Flyback chronograph with 24- hour counter and oversize date and month. It features a skeletonized automatic movement with 50 hours of power reserve and annual calendar function. The watch boasts accents in colors of the rumble strips on the famous racing circuit in the Sarthe. It comes with winder box and paper dated on December 2012.