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IWC | INGENIEUR, A STAINLESS STEEL AND YELLOW GOLD AUTOMATIC BRACELET WATCH WITH DATE CIRCA 2005 | Watches Online | 2020 | Sotheby's
![IWC REF. 3521 INGENIEUR PLATINUM ROTOR STEEL International Watch Co., Schaffhausen, "Ingenieur", Officially Certified Chronometer, Automatic, case No. 2603832, Ref. 3521. Made in the 1990s. Fine, tonneau-shaped, center seconds, self-winding, water ... IWC REF. 3521 INGENIEUR PLATINUM ROTOR STEEL International Watch Co., Schaffhausen, "Ingenieur", Officially Certified Chronometer, Automatic, case No. 2603832, Ref. 3521. Made in the 1990s. Fine, tonneau-shaped, center seconds, self-winding, water ...](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/279/lots/34/34.jpg)
IWC REF. 3521 INGENIEUR PLATINUM ROTOR STEEL International Watch Co., Schaffhausen, "Ingenieur", Officially Certified Chronometer, Automatic, case No. 2603832, Ref. 3521. Made in the 1990s. Fine, tonneau-shaped, center seconds, self-winding, water ...
![IWC Reference 3521, "INGENIEUR", STAINLESS STEEL | Important Modern & Vintage Timepieces. | Hong Kong, October 27th, 2018 IWC Reference 3521, "INGENIEUR", STAINLESS STEEL | Important Modern & Vintage Timepieces. | Hong Kong, October 27th, 2018](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/316/lots/40/40.jpg)
IWC Reference 3521, "INGENIEUR", STAINLESS STEEL | Important Modern & Vintage Timepieces. | Hong Kong, October 27th, 2018
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