C. Three-body, solid, polished, transparent case back with 8 screws, unidirectional revolving graduated bezel, winding crown with cabochon-set protective cap with security link, "Vendôme" type lugs, sapphire crystals. D. "Guilloché" silver with applied gold Arabic numerals, luminous dots and painted black baton indexes, powerreserve sector at 6, subsidiary 24-hour dial at 12 for the second time zone, aperture for the date between 4 and 5. Luminous blued steel "lozenge" hands. M. Cal. 480, rhodium-plated, "fausses côtes" decoration, 30 jewels, straight-line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 38 mm. Thickness 10 mm.