The highlight of SIHH 2013 for Jaeger-Lecoultre was the introduction of a new Grand Complication, the Master Grande Tradition Gyrotourbillon 3 Jubilee. It features a Flying Gyrotourbillon and a spherical balance spring. It is also equipped with a monopusher chronograph with an instantaneous digital display activated. The components are exposed on both sides. Presented in a 43.5mmby 15.5mm thick. Alligator leather strap with double folding buckle. Silvered and silvered opaline dials. Dauphine hands. Water-resistant 50 meters.