The L.Leroy is based on a Vaucher movement; the chronograph part is a module stacked on top.
Diameter: 30.00 mm (13.3’’’)
Frequency: 28,800 vibrations per hour (4 Hz)
No. of jewels: 48
Power reserve: over 48 hours: (double barrel)
Bridges decorated with Côtes de Genève, traditional 22 ct gold central oscillating weight and heavy segment in 18 ct white gold
Officially chronometer-certified by the Observatoire National de Besançon