The Seiko 5E31-6A40 is a watch model based on the 5E31 movement.
Parts List
| 265W22SK01 | crystal |
| 35MJ2NB2 | crown |
| 0A2600B01 | case back gasket |
| LK66D | band - leather band |
| 11T14D1H | others - hour hand |
| 0351624 | others - winding stem |
| 82813060 | others - case ring |
| 5E313 | others - machine code |
| 5E316A40 | others - case back |
| 5E316A40WK | others - case |
| 5E316A50XS14 | others - dial |
| 87020283 | others - back plate |
| A170BS | others - push pin |
| 11T14D1M | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 12SC35VG | others - second hand |