Zenith Ref. 15/53-0470-400

ZENITH RAINBOW STEEL & GOLD Zénith, "El Primero Rainbow Automatic", Ref. 15/53-0470-400. Made circa 2000. Fine, self-winding, water-resistant, stainless steel and yellow gold diver's wristwatch with round button chronograph, date, tachometer and a stainless steel and yellow gold Zenith bracelet with concealed double deployant clasp. Accompanied by a Zenith fitted box, spare link and guarantee. Three-body, polished, unidirectional yellow gold bezel with blue insert graduated for the decompression time, curved lugs, screw-down buttons and crown, screw-down case back engraved with the Rainbow logo, sapphire crystal. Blue with applied yellow gold luminous triangular indexes, outer minutes/seconds divisions, subsidiary dials for the seconds, the 30-minute and 12-hour registers, date aperture between 4 and 5. Luminous yellow gold alpha hands. Cal. 400 Z, rhodium-plated, straight-line lever escapement, monometallic balance, shock absorber, self compensating flat balance spring. Notes Dial, case and movement signed. DIAM. 39 mm. THICKNESS 13 mm. Approx. overall length 180 mm.