The Seiko 5P31-7020 is a watch model based on the 5P31 movement.
Parts List
| 290P01HN03 | crystal - mineral crystal |
| 290W69HN01 | crystal |
| 35M17NS1 | crown |
| 35M27N01 | crown |
| 0F230BAA3 | case back gasket - case back gasket |
| 86582210 | crystal gasket |
| 86582215 | crystal gasket |
| LL20A | band - leather band |
| LL21A | band - leather band |
| LL23A | band - leather band |
| 3AA125F3A6S | others - second hand |
| 0351671 | others - winding stem |
| EB0055B01 | others - crown and stem gasket |
| 12SC23T2 | others - second hand |
| 82732490 | others - case ring |
| 5P31702061 | others - case |
| 5P3170206B | others - case |
| 5P317020WE | others - case |
| 5P317040XS19 | others - dial |
| 5P317050XB19 | others - dial |
| 5P317050XS19 | others - dial |
| 5P317050XY19 | others - dial |
| A180BS | others - push pin |
| 12T09DBH | others - hour hand |
| 12T09DBM | others - minute hand |
| 12T11CLH | others - hour hand |
| 12T11CLM | others - minute hand |
| 12T11DBH | others - hour hand |
| 12T11DBM | others - minute hand |
| 1BA085A1BAJ | others - hour hand |
| 1BA085A1BNB | others - hour hand |
| 2BA120A1BAJ | others - minute hand |
| 2BA120A1BNB | others - minute hand |