The Seiko 6309-5780 is a watch model based on the 6309 movement.
Parts List
| ES4W34GN00 | crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980 | case back gasket |
| DJ0060B01 | others - crown gasket |
| ES4W34GN00 | crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980 | case back gasket |
| DJ0060B01 | others - crown gasket |
Caliber 6309
