Movement diameters: 31.10 mm × 32.15 mm Thickness: 10.02 mm Tourbillon diameter: 12.40 mm Balance wheel diameter: 10.00 mm Number of stones: 43 Balance: Glucydur, ® 2-armed, 4 adjustment screws, moment of inertia 10 mg•cm2, lift angle 53° Frequency: 21,600 vph (3 Hz) Balance spring: Elinbar by Nivarox ® Seismic device: KIF Elastor KE 160 B28 Barrel Shin: Made of nickel-free chronifer® (DIN x 46 Cr 13 + S). It has the following properties: rust and magnetic resistance, making it ideal for heat treatment