The Seiko 5E31-6040 is a watch model based on the 5E31 movement.
Parts List
| 265W43SN01 | crystal |
| 6K30A1SNG0 | crown |
| 6K30A1SNW0 | crown - crown |
| 6K30A3SNG3 | crown - crown |
| 6K30A3SNS1 | crown - crown |
| 0F240BAA5 | case back gasket |
| AC004BAA1 | case back gasket - crown and stem gasket |
| 86580295 | crystal gasket |
| DA72AB | band - band |
| AK58D | band - band |
| DA72BB | band - band |
| DA82BB | band - band |
| WAJ1BW | band - leather band |
| 3AA125F1ANG | others - second hand |
| 2BC110A1BNG | others - minute hand |
| 2BA115A1BAA | others - minute hand |
| 1BD080AABAA | others - hour hand |
| 2BA115A1BAC | others - minute hand |
| 2BD110ACBAA | others - minute hand |
| 3AA125F1ANS | others - second hand |
| 1BA080A1BAA | others - hour hand |
| 1BC080A1BNG | others - hour hand |
| 0351624 | others - winding stem |
| 82814640 | others - case ring |
| 5E31604071A | others - case |
| 5E316040 | others - case back |
| 5E31604075A | others - case |
| 5E31604075C | others - case |
| 5E31604075D | others - case |
| 5E31604075E | others - case |
| 5E31604075F | others - case |
| 5E31604075G | others - case |
| 5E31604075H | others - case |
| 5E31604075J | others - case |
| 5E31604075K | others - case |
| 5E31604075L | others - case |
| 5E31604075M | others - case |
| 5E315 | others - machine code |
| 5E316070XS19 | others - dial |
| 5E316080XG14 | others - dial |
| 5E316080XS13 | others - dial |
| 5E316090XG19 | others - dial |
| A170BS | others - push pin |
| 5E31604075B | others - case |
| 1BA080A1BAC | others - hour hand |