L952.2

This movement powers hours, minutes, and subsidiary seconds, featuring a tourbillon with a patented stop-seconds mechanism. It includes a flyback chronograph with a precisely jumping minute counter, a perpetual calendar with outsize date, day, month, and leap-year, as well as moon-phase, day/night, and power-reserve indicators, totaling 729 parts and 59 jewels with a 50-hour power reserve.