L512 Manufacture Leroy

Movement presented in non-skeletonised version Diameter: 28.80 mm (12.8’’’) Frequency: 28,800 vibrations per hour (4 Hz) No. of jewels: 23 Power reserve: over 52 hours Bridges decorated with Côtes de Genève, sunburst, hand-chamfered Flying tourbillon with variable-inertia balance with four gold setting screws and double balance-spring, diamond escapement, non-lubricated StruTech blank (61 components for 0.8 grams). 22 ct gold oscillating weight Officially chronometer-certified by the Observatoire National de Besançon Stamped with the "Viper's Head"