Swiss made, automatic, micro-rotor with ceramic ball bearings, 30 mm/2.6 mm, 176 components, 29 jewels, 3Hz (21,600 vph), 42-hour power reserve. Variable inertia balance rapid rotation barrel, circular-grained plate on dial side and bridge side, fine circular-graining below the balance, rhodium-plated, bridges with Côtes de Genève decor, rhodium-plated. Counterbores and apertures diamond-polished. Bridges hand-bevelled with piercer. Pivots and flanges rolled. Wheels circular-grained on 2 faces.