C. Three-body, solid, polished, fluted lugs, protected blue enamel crown, transparent case back with 6 screws, pushbutton at 4 to adjust the hour hand backward and at 8 to adjust it forward. D. Bicolor silver and blue, partial vertical fausses cotes decoration and partial plain sector, outermost applied faceted white gold dart indexes, subsidiary dials for the 24-hour alarm countdown, the alarm setting, the 24-hour second time zone, apertures for the large 2-digit date and the alarm?s centrifugal governor under a blued steel bridge. Blued steel fancy hands with luminous tips, red hand to switch the alarm function on or off. M. Cal. UN-66, rhodium-plated, fausses cotes decoration, 109 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, alarm repeating on gong, automatic adjustment of alarm function and alarm countdown when a time zone is changed, special patented mechanism to adjust the hour hand backward and forward. Dial, case and movement signed. Diam. 42 mm. Thickness 13 mm.