The Seiko 6139-7020 is a watch model based on the 6139 movement.
Parts List
| 340W14GN | crystal - mineral crystal |
| 50M04 | crown |
| 80600149 | crown |
| FH2980B | case back gasket |
Caliber 6139














The Seiko 6139-7020 is a watch model based on the 6139 movement.
| 340W14GN | crystal - mineral crystal |
| 50M04 | crown |
| 80600149 | crown |
| FH2980B | case back gasket |













