C. Two-body, solid, polished, stepped bezel, fluted teardrop lugs, domed sapphire crystal. D. Black with applied pink gold dart, bâton, and pyramid indexes, subsidiary seconds dial, outer graduation for the days of the month in pink gold Arabic numerals, apertures for the days of the week, the months and the moon phases. Pink gold "alpha" hands. M. Cal. 2601A, rhodium plated, "fausses côtes" decoration, 31 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flat Balance-spring, micrometer regulator.Dial, case and movement signed.Dim. 33 x 33 mm.