The Seiko 6309-7040 is a watch model based on the 6309 movement.
Parts List
| 320W34GA | crystal |
| 70W22NS | crown |
| OC3060BOA | case back gasket |
| EC3160B | crystal gasket |
| 0K0240B | others - sensor gasket |
Caliber 6309
Seiko 6309-7040 Watch Guide
The Seiko 6309-7040 is a watch model based on the 6309 movement.
| 320W34GA | crystal |
| 70W22NS | crown |
| OC3060BOA | case back gasket |
| EC3160B | crystal gasket |
| 0K0240B | others - sensor gasket |