Seiko 6117-6400
c. 1965–c. 1978
Years estimated from 8 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Seiko
- Reference
- 6117-6400
- Production
- c. 1965–c. 1978
- Case diameter
- 41 mm
Specs shared by all variants. Variant pages show where a variant differs.