Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Oct 15, 2006

LOT 109

?El Primero? Zenith, "El Primero Chronometre?, No. 141/250, Ref. 30.220.410. Made in a limited edition for the 700th anniversary of the Swiss Confederation in 1991. Fine, water-resistant, 18K yellow gold gentleman's wristwatch with square button chronograph, registers, tachometer, triple date, moon phases and an 18K yellow gold Zenith buckle. Accompanied by a fitted box, instructions and certificate.

C.Three-body, solid, polished, stepped bezel, concave lugs, engraved case back ?700 ans Confederation Helvetique?, sapphire crystal. D. Matte silver with applied gold indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer tachometer graduation, apertures for the days of the week, of the months and the moon phases. Yellow gold "bâton" hands. M. Cal. 410, rhodium-plated, 31 jewels, lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.