Movement diameter: 39.15 mm  Thickness: 9.00 mm  Number of jewels: 62  Balance: Glucydur®, 4 arms, moment of inertia 4.8 mg•cm2, angle of lift 53°  Frequency: 28,800 vph (4 Hz)  Balance spring: elinvar by Nivarox®  Shock protection: INCABLOC 908.22.211.100 (transparent)  Escapement wheel jewels: Rubifix (transparent)  Stem with three positions: Manual winding, date adjustment, time setting