The Seiko 5E31-5B10 is a watch model based on the 5E31 movement.
Parts List
| SACW12SN01 | crystal |
| 25M20NS3 | crown |
| 0A2600N01 | case back gasket - case back gasket |
| LK56E | band - leather band |
| 0351624 | others - winding stem |
| 12ST06DC | others - second hand |
| 5E315 | others - machine code |
| 5E315B10 | others - case back |
| 5E315B1061 | others - case |
| 5E315B30XS13 | others - dial |
| 82823980 | others - case ring |
| 87020283 | others - back plate |
| A180AS | others - push pin |
| 1BB070L0BCA | others - hour hand |
| EZ0035B01 | others - crown and stem gasket |
| 2BB105L0BCA | others - minute hand |