The Seiko 9531-5020 is a watch model based on the 9531 movement.
Parts List
| SA8W18HN01 | crystal - crystal |
| 25M18NA1 | crown |
| 0A2600N01 | case back gasket - case back gasket |
| 86573500 | crystal gasket - plastic gasket for crystal |
| GA21B | band - band |
| 0354855 | others - winding stem |
| 95315020SA | others - case |
| 82733240 | others - case ring |
| 87020163 | others - back plate |
| 95314 | others - machine code |
| 95315020XG18 | others - dial |
| A180BS | others - push pin |
| 09X14AGH | others - hour hand |
| 09X14CLM | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 13SC04A2 | others - second hand |