C. Three-body, polished, stepped bezel, fluted band and teardrop lugs, dust protection cap. D. Matte silver with applied yellow gold indexes, subsidiary seconds dial, outer graduation for the date, apertures for the days of the week, the months and the phases of the moon. Yellow gold alpha hands. M. 10???, rhodium-plated, 15 jewels, straight-line lever escapement, monometallic balance, selfcompensating Breguet balance spring. Dial, case and movement signed. Diam. 34 mm. Thickness 9 mm.