The Seiko 7A28-7020 is a watch model based on the 7A28 movement.
Parts List
| 320W40GN00 | crystal - crystal |
| 45M54NA1 | crown - crown |
| FH3181B01 | case back gasket - case back gasket |
| 8656 6620 | crystal gasket - dichtung crystal |
| 8060 0501 | pusher |
| 8060 0509 | pusher |
| EG0060B01 | others - button gasket |
Caliber 7A28
