5 Sports 6138-0020
c. 1971
Years estimated from 3 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Seiko
- Model
- 5 Sports
- Reference
- 6138-0020
- Production
- c. 1971
Specs shared by all variants. Variant pages show where a variant differs.