C. Two-body, polished, snap-on case back, fl at bezel, extended geometric lugs. D. Black with applied pink gold Arabic numerals and faceted baton indexes, inner minute division. Luminous pink gold dauphine hands. M. Cal. 501, copper colored, 20 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating fl at balance spring, swan neck micrometer regulator. Dial, case and movement signed. Diam. 34 mm. Thickness 11 mm