Two-body, solid, polished, concave bezel, transparent snap-on case back, sapphire crystals. Matte silver with applied white gold faceted baton and pyramidal indexes, outer dot minute divisions, subsidiary dials for the days of the month, the week, the 24 hours, the month and the leap year, aperture for the moon phases. White gold dauphine hands. Cal. 240 Q, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 27 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, 22K gold micro-rotor mounted on ball bearings.