IWC Ingenieur Ref 666AD
early Ingenieur automatic caliber 8531, according serial number
screwed case 36.5mm with dust cover and signed IWC Staybrite
10 bar waterproof and super anti-magnetic ex works
original black dial with silver print and tritium luminous indices
Original IWC steel bracelet, made by Gay Freres.
Date display in white on a black calendar disc.
really very nice overall condition.
The IWC Ingenieur was one of the first truly anti-magnetic wristwatches, alongside the Patek Philippe 3417, made for engineers who had to work in magnetic environments.
Technical data:
Reference: 666AD (triple six, automatic, date)
Serial number:
Year of production:
Case: Staybrite stainless steel, screwed
Diameter: 36.5mm
Glass: Plexiglass
Dial: matt black with silver print
Movement: Automatic caliber 8531 with 21 jewels
Band: stainless steel with push-button folding clasp and IWC logo
margin invoice, no VAT included
