The Seiko 4S28-0020 is a watch model based on the 4S28 movement.
Parts List
| 45MA1NA2 | crown - crown |
| 45MA1NJ1 | crown - crown |
| 0F280BA1S | case back gasket - case back gasket |
| 0H3000B02 | crystal gasket - case back gasket |
| XX000 | band - band |
| 1FE080LABDG | hand - hour hand |
| 2FE120LABDG | hand - minute hand |
| 1FE080LABDS | others - hand |
| 2FE120LABDS | others - hand |
| 3CA035F1BNS | others - second hand |
| 3CA035F1BNG | others - sub hand |
| 4S28002080A | others - case |
| 4S280020 | others - case back |
| 0351268 | others - winding stem |
| 82872410 | others - case ring |
| 4S28002076A | others - case |
| 4S280030XS14 | others - dial |
| 4S280040XS13 | others - dial |
| 4S280040XS24 | others - dial |
| 4S2810 | others - machine code |
| DE010BAA1 | others - crown and stem gasket |
Other models with the same movement