The Seiko 5E31-5A0J is a watch model based on the 5E31 movement.
Parts List
| ESBW08SN01 | crystal - crystal |
| 30M58NA1 | crown - crown |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| AL09B | band - band |
| 82813180 | others - case ring |
| 5E315A0J75 | others - case |
| 5E315A0J | others - case back |
| 5E311 | others - machine code |
| 5E315A00XG24 | others - dial |
| A170BS | others - push pin |
| 0351624 | others - winding stem |
| EZ0035B01 | others - crown and stem gasket |
| 09T18NAM | others - minute hand |
| 13SC04A2 | others - second hand |
| 09T04NGH | others - hour hand |