C. Two-body, polished and brushed, screwed-down case back, lapidated lugs, the crown at 2 rotates the dial?s outer minute ring. D. Black with luminous dart dot and baton indexes. Luminous steel baton hands. M. Cal. 218-9, rhodium-plated, fausses cotes decoration, 28 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, microrotor. Dial, case and movement signed. Diam. 42 mm. Thickness 12,5 mm.