Chronograph 6139-7070
c. 1973–c. 1976
Years estimated from 4 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Seiko
- Model
- Chronograph
- Reference
- 6139-7070
- Production
- c. 1973–c. 1976
Specs shared by all variants. Variant pages show where a variant differs.