Jaeger-LeCoultre Master Series (Fully Automatic Sun, Moon and Star Kinetic Energy True Tourbillon) Geneva Watches launches the new Jaeger-LeCoultre Tourbillon series of watches to create a new era of superb complex functions. This tourbillon has an elegant appearance and exquisite craftsmanship. The rhythmic beauty of the Jaeger-LeCoultre fully automatic true tourbillon mechanical movement can be seen through the sapphire crystal glass bottom cover. The size is 42mm. The movement runs at a frequency of 28,800 vibrations per second.