The Seiko 6139-8040 is a watch model based on the 6139 movement.
Parts List
| 310W24GH | crystal |
| 40M26N | crown |
| EZ2890 | case back gasket |
| DJ0060B | others - crown gasket |
Caliber 6139
Seiko 6139-8040 Watch Guide
The Seiko 6139-8040 is a watch model based on the 6139 movement.
| 310W24GH | crystal |
| 40M26N | crown |
| EZ2890 | case back gasket |
| DJ0060B | others - crown gasket |