C. Two-body, solid, polished, back fixed with 4 screws on the band, cabochon sapphire-set winding-crown. D. White with painted radial Roman numerals, inner minute track. Blued steel épée hands. M. Cal. 2512, rhodium-plated, fausses cotes decoration, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 24 x 30 mm. Thickness 7 mm.