The Seiko 8420-5769 is a watch model based on the 8420 movement.
Parts List
| RE0W68SN00 | crystal |
| 25M12NA1 | crown |
| 0H2001N01 | case back gasket |
| EZ0035B0A | others - crown and stem gasket |
Caliber 8420
Seiko 8420-5769 Watch Guide
The Seiko 8420-5769 is a watch model based on the 8420 movement.
| RE0W68SN00 | crystal |
| 25M12NA1 | crown |
| 0H2001N01 | case back gasket |
| EZ0035B0A | others - crown and stem gasket |