Jaeger Lecoultre · Automatic

Caliber 389

Mechanical manual winding movement, 476 parts, 21,600 vibrations per hour, 2 barrels each with 45-hour power-reserve. Functions: local hour, minute, small seconds with flyback, moon phases, 24-hour reference time, flying tourbillon with cylindrical balance-spring, power-reserve for the regulating organ, powerreserve for the functions.