The Seiko 5E31-5A1A is a watch model based on the 5E31 movement.
Parts List
| ESBW06SN01 | crystal - crystal |
| 30M58NA1 | crown - crown |
| 0A2700N01 | case back gasket - case back gasket |
| LK15D | band - band |
| 08TC8DGH | others - hour hand |
| 08TC8DGM | others - minute hand |
| 0351624 | others - winding stem |
| 82813020 | others - case ring |
| 5E315A1A75 | others - case |
| 5E315A1A | others - case back |
| 5E311 | others - machine code |
| 5E315A10XG14 | others - dial |
| 87020283 | others - back plate |
| A200BS | others - push pin |
| EZ0035B01 | others - crown and stem gasket |
| 12SC35VG | others - second hand |