The Seiko 8M25-8020 is a watch model based on the 8M25 movement.
Parts List
| 290A03JN02 | crystal - crystal |
| 290W91JN01 | crystal |
| 40MZ1NA1 | crown |
| 0F240BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 80609911 | pusher |
| ZPJ59G | band |
| ZPJ60G | band |
| EG0060B01 | others - button gasket |
| 83200273 | others - button spring clip |
| 0351148 | others - winding stem |
| 12Y01AGM | others - minute hand |
| 12Y01AGH | others - hour hand |
| 12Y03AGM | others - minute hand |
| 11Y05AGH | others - hour hand |