$5,500
IWC Steel ingenieur International Watch Co. , Schaffhausen, “Ingenieur,” No. 1687738, case No. 1690243. Made in the 1960s. Fine and rare, water-resistant, center seconds, anti-magnetic, self-winding with “Pellaton” system, “Staybrite” stainless steel wristwatch with date. Accompanied by a pouch. Three-body, polished and brushed, antimagnetic cap to protect the movement against magnetic fields, screwed-down case-back, flat bezel, concave lugs. Satiné silver with applied steel faceted baton indexes and luminous dots, outer minute division, steel rimmed date aperture. Luminous steel dauphine hands. Cal. 8531, rhodium-plated, oeil-de-perdrix decoration, 21 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating blued steel Breguet balance spring, micrometer regulator. Dial, case and movement signed. Diam. 36 mm. Thickness 13 mm. Notes This watch was recently overhauled by IWC.
Auctioneer:
Antiquorum
Date:
2010-09-15
