The Seiko 5E31-5A30 is a watch model based on the 5E31 movement.
Parts List
| SABW08SN01 | crystal |
| 35MJ2NB2 | crown |
| 35MJ2NS2 | crown |
| 0A2600B01 | case back gasket |
| 0H2520B01 | case back gasket |
| LK65D | band - leather band |
| LK66D | band - leather band |
| 0351624 | others - winding stem |
| 5E311 | others - machine code |
| 5E315A30 | others - case back |
| 5E315A3061 | others - case |
| 5E315A30WK | others - case |
| 5E315A30XS14 | others - dial |
| 5E315A40XS13 | others - dial |
| 82820040 | others - case ring |
| 87020283 | others - back plate |
| A170AS | others - push pin |
| 08T24ASM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 08TD6DGH | others - hour hand |
| 08TD6DGM | others - minute hand |
| 12SC35VG | others - second hand |
| 08T24ASH | others - hour hand |
| 12SC35VS | others - second hand |