Three-body, polished, curved lugs and bezel, transparent screw-down case back, sapphire crystals. D. Black with painted white radial Arabic numerals, eccentric subsidiary dial for the seconds at 4, inner minute track, outer graduation for the date with corresponding hand. White painted baton hour and minute hands, white painted hand with a red crescent moon trip for the date. M. Cal. 240/166, stamped with the Seal of Geneva quality mark, rhodium plated, fausses cotes decoration, 27 jewels, straight-line lever escapement, free-sprung Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating fl at balance spring, 22K gold micro-rotor. Dial, case and movement signed. Diam. 37 mm. Thickness 9 mm.