Richard Mille RM 65-01 Automatic Winding Split-seconds Chronograph Replica Watch Movement dimensions: 31.78 x 29.98 mm Thickness: 8.69 mm Jewels: 51 Balance: Glucydur®, 4 arms, moment of inertia 7.5 mg•cm2, angle of lift 53° Frequency: 36,000 vph (5 Hz) Balance spring: AK3 Index assembly: Triovis n° 2