"Vintaqge Iwc Ingenieur Calendar Automatic Watch Ref.666ad -1960-"
IWC Ingenieur in steel ref.666 AD equipped with caliber C.8531 Pellaton central seconds and date functions at 3 o'clock, self-winding movement. Beautifully patinated tritium dial stamped International Watch Co, applied baton indexes, dauphine hands, solid 3-piece screw-down case, anti-magnetic soft iron cape, smooth bezel. Dimensions: 36.5 mm (38.5 mm with crown) x 43 mm (handles included), the mechanism and the box are signed and numbered. Vintage item in good condition and perfect working condition, revised and checked in our workshop. Service: 01/2024, 2 years warranty. 
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