King 5621-7000
c. 1968–c. 1972
Years estimated from 2 dated marketplace listings; seller-stated, unverified.
Variants
No variants documented yet.
Reference specifications
- Brand
- Seiko
- Model
- King
- Reference
- 5621-7000
- Production
- c. 1968–c. 1972
Specs shared by all variants. Variant pages show where a variant differs.