The Seiko 6309-599C is a watch model based on the 6309 movement.
Parts List
| SA3W92GN00 | crystal |
| 40M54NS1 | crown |
| FH2981B01 | case back gasket - case back gasket |
| 86572200 | crystal gasket |
| DJ0060B01 | others - crown gasket |
Caliber 6309
Seiko 6309-599C Watch Guide