5 6309-7040
c. 1970–c. 1985
Years estimated from 8 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Seiko
- Model
- 5
- Reference
- 6309-7040
- Production
- c. 1970–c. 1985
- Case diameter
- 44 mm
Specs shared by all variants. Variant pages show where a variant differs.