The Seiko 5E31-6D7A is a watch model based on the 5E31 movement.
Parts List
| 270WA6SK01 | crystal |
| 30MK8NB4 | crown |
| 0F250NA1S | case back gasket |
| LK68F | band - leather band |
| 82812640 | others - case ring |
| 5E316D7A | others - case back |
| 5E316D7A76 | others - case |
| 5E316D90XA13 | others - dial |
| 87020283 | others - back plate |
| A160BS | others - push pin |
| 0351624 | others - winding stem |
| 12ST06DC | others - second hand |
| 1BF080L2BDF | others - hour hand |
| EZ0035B01 | others - crown and stem gasket |
| 2BF115L6BDF | others - minute hand |