Ingenieur 4550
Undated
One marketplace listing states c. 1977; unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- IWC
- Model
- Ingenieur
- Reference
- 4550
- Category
- Sport
- Production
- Undated
- Case diameter
- 25 mm
Specs shared by all variants. Variant pages show where a variant differs.