The Seiko 5P31-5D70 is a watch model based on the 5P31 movement.
Parts List
| ESAW46SN01 | crystal |
| 35MA8NA1 | crown |
| 0A2600N01 | case back gasket - case back gasket |
| AL08B | band - leather band |
| 0351670 | others - winding stem |
| 5P315D70 | others - case back |
| 5P315D7075 | others - case |
| 5P315F00XG14 | others - dial |
| 5P319 | others - machine code |
| 82812480 | others - case ring |
| A180BS | others - push pin |
| 09T18DGM | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 09T04NGH | others - hour hand |