A C. Three-body, polished and brushed, snap-on case back, straight lugs, unidirectional revolving bezel for setting the alarm hand. D. Textured silver with applied steel art deco numbers and luminous dots, outer minute track, subsidiary seconds dial. Luminous steel dauphine hands, blued steel serpentine arrow hand for the alarm. M. Cal. 10 WA, rhodiumplated, 17 jewels, straight-line lever escapement, monometallic balance, self-compensating fl at balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 13 mm.
B C. Three-body, polished and brushed, case back with screw down outer ring, crown at 2 for setting and winding the alarm, winding crown at 4. D. Satiné silver with applied faceted baton indexes and luminous dots, concentric minut/seconds track. Luminous steel dauphine hands, red-arrow hand for the alarm. M. Cal. 1474, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating fl at balance spring. Dial and movement signed, numbered on the case. Diam. 34 mm. Thickness 11 mm.