Case: Three-body, solid, polished and brushed, curved lugs, stepped bezel, transparent case back, sapphire crystals. Dial: Bi-color matte silver and engraved yellow gold, the hour graduation on three rotating translucent sapphire discs, each with four painted black stylized hour indicators, on top, white sector indicating the 60 minutes in painted Arabic numerals and indexes, at the center, a rhodium-plated wheel with three arms, carrying the spring-loaded rotating star wheel sapphire discs. Movement: Cal. 2124, rhodium-plated, fausses cotes decoration, 33 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock-absorber, self-compensating flat balance spring, micrometer regulator, 21K gold rotor segment. Dial, case and movement signed. Diam. 36 mm. Thickness 8.5 mm.Dial, case and movement in very good condition.