C. Three-body, polished and brushed, screw down ring on the case back, 24-hour graduated bidirectional revolving black bezel, lapidated lugs. D. Matte silver with applied steel baton indexes and luminous dots, concentric minute/seconds track, outer world time ring with the names of 24 world cities, aperture for the date. Luminous steel dauphine hands, arrow hand for the alarm. M. Cal. 1475, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating fl at balance spring. Signed on the dial. Diam. 35 mm. Thickness 13 mm.