The Seiko 6309-8040 is a watch model based on the 6309 movement.
Parts List
| 310T32ACS | crystal |
| 310T32ACG | crystal |
| 45M30N | crown |
| FH2980B | case back gasket |
| DJ0060B | others - crown gasket |
Caliber 6309
Seiko 6309-8040 Watch Guide
The Seiko 6309-8040 is a watch model based on the 6309 movement.
| 310T32ACS | crystal |
| 310T32ACG | crystal |
| 45M30N | crown |
| FH2980B | case back gasket |
| DJ0060B | others - crown gasket |