The Seiko 5400-0020 is a watch model based on the 5400 movement.
Parts List
| 270A02SN02 | crystal - crystal |
| 0F240BAA3 | case back gasket - case back gasket |
| 86582550 | crystal gasket |
| XX000 | band - band |
| 5400002076A | others - case |
| 54000020TYA | others - case |
| 54000030XS14 | others - dial |
| A160BS | others - push pin |
| 12SC31VG | others - second hand |
Other models with the same movement
| 5400-0010 |