The Seiko 5P31-5E1A is a watch model based on the 5P31 movement.
Parts List
| SABW46SN01 | crystal - crystal |
| 35MA0NA3 | crown - crown |
| 0A2600B01 | case back gasket |
| AK68C | band - band |
| 09T22AGH | others - hour hand |
| 09T22AGM | others - minute hand |
| 82804980 | others - case ring |
| 0351670 | others - winding stem |
| 5P315E1A7C | others - case |
| 5P315E1A | others - case back |
| 5P315F60XG14 | others - dial |
| 5P319 | others - machine code |
| A190BS | others - push pin |
| 13SC04A2 | others - second hand |