Stylized illustration from known specs — official photos shown only once licensed.
IWC
Ingenieur
—
automatic
Produced 1953 - 1970.
Case size36mm
Thickness—
Lug-to-lug—
Movementautomatic
Originswiss
Water resist.—
Case materialsteel
Strap / braceletsteel
Gender—
2 variants of this model
Ingenieur36mm · —
Ingenieur42mm · —
