15,000 CHF
IWC Jumbo INGENIEUR AUTOMATIC DIAMONDS & YELLOW GOLD International Watch Co. , Schaffhausen, "Ingénieur", movement No. 2149389, case No. 2259380, Ref. 9503. Made in 1982. Fine and very rare, heavy 18K yellow gold tonneau-shaped, center- seconds, water-resistant, diamond-set wristwatch set with a total of 333 diamonds, instantaneous date and an integral 18K yellow gold and diamond-set IWC link bracelet by Gay Freres with deployant clasp. Accompanied by an IWC box. Three-body, solid, polished and brushed, wide flat diamond-set bezel with 35 diamonds, the shoulders set with a further 12 diamonds, screw-down case back and crown, antimagnetic dust cap, sapphire crystal. Matte gold with applied luminous yellow gold baton indexes, outer minute/seconds divisions, aperture for the date. Luminous yellow gold baton hands. Cal. C. 8541 B, rhodium-plated and oeil-de-perdrix decoration, 28 jewels, straight-line lever escapement, monometallic balance adjusted to five positions, shock absorber, self-compensating flat balance-spring, micrometer regulator. Notes Dial, case and movement signed. DIAM. 40 mm. THICKNESS 12 mm. Approx overall length 195 mm.plus 2 links. The IWC Ingenieur SL Automatic was produced in less than 600 examples between 1976-1984. Examples entirely cased in 18K yellow gold, such as the present lot, were only produced for two years, making them amongst the most sought after watches from the Ingenieur family.
Auctioneer:
Antiquorum
Date:
2015-03-15
