Ingenieur 666 AD
1955–19674 variants
Date version of the 666 A, identical but for the window at 3, which sits inside the ring of hour markers. Calibre 8521, then 8531 from 1958. Some dials have Arabic numerals at 3, 6, 9 and 12; some later ones a cyclops over the date.
Variants over time
Production years have not been recorded for these variants.
Variants
Reference specifications
- Brand
- IWC
- Model
- Ingenieur
- Reference
- 666 AD
- Category
- Sport
- Production
- 1955–1967
- Case diameter
- 36.5 mm
- Water resistance
- 100 m
- Date
- Yes
More specifications (3)
- Crystal
- Acrylic (Plexiglas)
- Movement
- Automatic
Read more
- The Real Source Of Inspiration For The Vintage IWC IngenieurRead more at Fratello (opens in a new tab)
- The Collector's Series: Koen's IWC Vintage IngenieurRead more at Monochrome (opens in a new tab)
- In-Depth: The History of the IWC Ingenieur Collection (70th Anniversary)Read more at Monochrome (opens in a new tab)