Case: Three-body, solid, polished and brushed, octagonal rubber-coated diamond-set bezel with 8 hexagonal white gold screws, octagonal case back with 8 hexagonal white gold screws, hexagonal rubber-coated and screwed-down winding crown, sapphire crystal. Dial: Two-tone white with textured clous de Paris pattern, applied dot indexes, subsidiary mother-of-pearl dials for the seconds, the 12-hour and 30-minute registers, aperture for the date between 4 and 5. Luminous pink gold baton hands. Movement: Cal. 2385, rhodium-plated, oeil-de-perdrix decoration, 37 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, 21K gold rotor segment.Dial, case and movement signed.Diam: 39 mm Thickness 12,5 mmDial and movement in very good condition, case slightly scratched between 8 and 9.