The Seiko 5E31-6E40 is a watch model based on the 5E31 movement.
Parts List
| 260WB2SK01 | crystal |
| 30MK8NA4 | crown - crown |
| 0F250NA1S | case back gasket |
| AB05C | band - metal band |
| 1BF080A0BAC | others - hour hand |
| 0351624 | others - winding stem |
| 12ST06DA | others - second hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 82812540 | others - case ring |
| 5E315 | others - machine code |
| 5E316E40 | others - case back |
| 5E316E406Y | others - case |
| 5E316E80XS14 | others - dial |
| 87020283 | others - back plate |
| EZ0035B01 | others - crown and stem gasket |
| 2BF110A0BCC | others - minute hand |