The Seiko 5E31-6D70 is a watch model based on the 5E31 movement.
Parts List
| 270WA6SK01 | crystal |
| 30MK8NA4 | crown - crown |
| 30MK8NS4 | crown - crown |
| 0F250NA1S | case back gasket |
| LK64F | band - leather band |
| LK67F | band - leather band |
| 0351624 | others - winding stem |
| 12ST06DA | others - second hand |
| 82812640 | others - case ring |
| 5E313 | others - machine code |
| 5E316D70 | others - case back |
| 5E316D7076 | others - case |
| 5E316D70M0 | others - case |
| 5E316D90XA14 | others - dial |
| 5E316D90XA1Z | others - dial |
| 87020283 | others - back plate |
| A160BS | others - push pin |
| 12ST06DD | others - second hand |
| EZ0035B01 | others - crown and stem gasket |
| 1BD075A0BAE | others - hour hand |
| 1BF080L2BDE | others - hour hand |
| 2BC110A0BAE | others - minute hand |
| 2BF115L6BDE | others - minute hand |