![]() ![]() Brushed silver with applied steel faceted baton indexes and luminous dots, outer minute divisions. Three-body, polished and brushed, antimagnetic cap to protect the movement against magnetic fields screwed-down caseback, flat inclined bezel, concave lugs. 852, 10 1/2```, rhodium plated, oeil-deperdrix decoration, 21 jewels, straight-line lever escapement monometallic balance, shock absorber, selfcompensating blued steel Breguet balance spring, micrometer regulator, Pellaton system winding. Fine and rare, water-resistant, center seconds, antimagnetic, self-winding with "Pellaton" system stainless steel "Staybrite" wristwatch. ![]() The watch furthermore retains its IWC rice grains bracelet manufactured by Gay Frères, the master bracelet maker of the 20th century.ĭescription : IWC INGENIEUR, DOUBLE SWISS, STEEL International Watch Co., Schaffhausen, "Ingenieur," No. Considered one of the earliest "tool" watches and with its distinctive, timeless design, the early Ingenieur model enjoys cult status amongst collectors and this present example, with a distinctive black lacquered dial and galvanic printing, will certainly appeal to collectors. The thunderbolt symbol was chosen to mark the model's anti-magnetic properties, the soft iron shield protecting the movement against magnetic shields. The distinctive and famous logo of an arrow passing through the name "Ingenieur" is a reminiscent of the Swiss thunderbolt icon which warns of the presence of an electrical current. ![]() Produced for the civilian market, the functional Ingenieur (German for engineer) was available in steel or gold as of 1954 with a variety of styles. Diameter Signed: Case, dial, movement and bracelet signed, bracelet further signed GF Catalogue Essay The celebrated Ingenieur model was developed by Albert Pellaton, IWC's technical director responsible for the creation of the firm's first automatic movement calibres 81 and 85. Clasp/Buckle: Stainless steel IWC and Gay Frères deployant clasp, stamped GF 1.66 Dimensions: 36.5mm. 8531, 21 jewels Bracelet/Strap: Stainless steel IWC Gay Frères rice grains bracelet, max length 180mm. Description : Manufacturer: IWC Year: Circa 1960 Reference No: 666 AD Movement No: 1’633’672 Case No: 1’651’821 Model Name: Ingenieur Material: Stainless steel Calibre: Automatic, cal. ![]()
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