ZENITH- EL PRIMERO CHRONOGRAPH STEEL 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. | Important Modern and Vintage Timepieces | Geneva, 11th March 2012
ZENITH- EL PRIMERO CHRONOGRAPH STEEL 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., CHF 1,400 - 2,600 USD 1,500 - 2,800 / EUR 1,200 - 2,200Sold: CHF 2,750 C. Three-body, polished, stepped rounded bezel, lapidated concave lugs, transparent snap-on case back, sapphire crystals. D. Silver 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 epee 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.
