The Seiko 5P31-5250 is a watch model based on the 5P31 movement.
Parts List
| SA5W23HN01 | crystal |
| 32M15NG1 | crown |
| 0F230BAA3 | case back gasket - case back gasket |
| GK44B | band - leather band |
| 3BA125F1BNG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0351671 | others - winding stem |
| 5P31525075 | others - case |
| 5P315370XS19 | others - dial |
| 82822850 | others - case ring |
| A170BS | others - push pin |
| 10T03AAH | others - hour hand |
| 10T03AAM | others - minute hand |
| 1BA065A3BAL | others - hour hand |
| 2BA095A3BAL | others - minute hand |
| 10SC27NG | others - second hand |