IWC 1831
c. 1972–c. 1980
Years estimated from 4 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- IWC
- Reference
- 1831
- Production
- c. 1972–c. 1980
- Case diameter
- 38 mm
Specs shared by all variants. Variant pages show where a variant differs.