ZENITH- EL PRIMERO ' STEEL CHRONOGRAPH Zenith, El Primero HW, Ref. 01. 0500.420. Made circa 2000. Fine, water-resistant, stainless steel wristwatch with date, square button chronograph, tachometer and a stainless steel Zenith deployant clasp. Accompanied by the original fitted box, guarantee certificate (now void) and an instruction booklet. To be sold without reserve | Important Modern and Vintage Timepieces | New York, 14th September 2011
ZENITH- EL PRIMERO ? STEEL CHRONOGRAPH Zenith, El Primero HW, Ref. 01. 0500.420. Made circa 2000. Fine, water-resistant, stainless steel wristwatch with date, square button chronograph, tachometer and a stainless steel Zenith deployant clasp. Accompanied by the original fitted box, guarantee certificate (now void) and an instruction booklet. To be sold without reserve USD 1,000 - 1,500 CHF 800 - 1,200 / EUR 700 - 1,100Sold: USD 3,000 C. Three-body, polished, stepped rounded bezel, lapidated lugs, transparent snap-on case back, sapphire crystals. D. Black with luminous Arabic numerals, subsidiary dials for the seconds, the 30-minute and 12- hour registers, aperture for the date between 4 and 5, outer tachometer scale and 1/5th seconds track. Luminous steel arrow dauphine hands. M. Cal. 420 Z, rhodium-plated, 25 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating fl at balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 12 mm.
