The Seiko 6309-521A is a watch model based on the 6309 movement.
Parts List
| FH2980B | case back gasket |
| DJ0060B | others - crown gasket |
Caliber 6309
Seiko 6309-521A Watch Guide
The Seiko 6309-521A is a watch model based on the 6309 movement.
| FH2980B | case back gasket |
| DJ0060B | others - crown gasket |