Jaeger-LeCoultre JLC-174

Caliber JLC-174 is a hand-wound movement from Jaeger-LeCoultre belonging to the Gyrotourbillon family. It comprises 385 components with 52 jewels and features a spherical tourbillon alongside a second timezone display with day/night indicator. The movement is skeletonised with hand-finished bridges. It is used in the Reverso Gyrotourbillon and other high-end JLC collections.