The Seiko 6309-578B is a watch model based on the 6309 movement.
Parts List
| ES4W34GN00 | crystal |
| 40M58NA | crown |
| 40M58S1 | crown |
| FH2980B01 | case back gasket - case back gasket |
| DJ0060B01 | others - crown gasket |
Caliber 6309
Seiko 6309-578B Watch Guide
The Seiko 6309-578B is a watch model based on the 6309 movement.
| ES4W34GN00 | crystal |
| 40M58NA | crown |
| 40M58S1 | crown |
| FH2980B01 | case back gasket - case back gasket |
| DJ0060B01 | others - crown gasket |