1963 IWC INGENIEUR REF. 66661 AD BLACK DIAL

-

INQUIRE
SKU: 00146 Categories: , Tags: , ,

Worldwide Insured Shipping / Certified Authentic / 7 Day Inspection Period / 30 Day Warranty

A gents IWC Ingenieur reference 66661 AD wrist watch in stainless steel, circa 1963.  IWC released the Ingenieur in 1955 to meet a growing need for high quality, purpose built tool watches appropriate for professional applications.  The Ingenieur was constructed with an inner case and dust cap made of soft iron that enabled the mechanism to withstand strong magnetic fields. These watches have become increasingly sought after in recent years due to the high quality mechanical movements utilized, a larger case size and well proportioned, elegant dial designs.

The screw back steel case on this example is is full and thick, measuring 36.5mm excluding the correct signed “fish” crown.  The glossy black dial is in excellent condition and features a “calatrava” style layout with tritium luminous dots and polished silver applied bars marking the hours, silver dauphine hands, center sweep seconds and white dial printing.  Silver rimmed white date disk at 3 o’clock.  Dial signed “International Watch Co, SCHAFFHAUSEN, INGENIEUR, T SWISS T”.

The original self winding IWC caliber 8531 contains 21 jewels.  Although service history is unknown the movement is exceptionally clean, running well and keeping time.  

Case:

  • Stainless steel
  • 36.5mm (excluding crown) / 18mm (between lugs)
  • Original signed crown
  • Case number: 1729569

Movement:

  • IWC cal. 8531
  • 21 jewels
  • Serial number: 1705653

Dial:

  • Original glossy black
  • Text printed in white
  • Applied hour markers in polished silver
  • Tritium luminous
  • Silver dauphine hands
  • Signed: “International Watch Co, SCHAFFHAUSEN, INGENIEUR, T SWISS T”