The Seiko 7431-5480 is a watch model based on the 7431 movement.
Parts List
| SA4W65HM01 | crystal - crystal |
| SA4W65HN01 | crystal - crystal |
| 35E05NG1 | crown - crown |
| 0F260BAA1 | case back gasket - case back gasket |
| 86573650 | crystal gasket - plastic gasket for crystal |
| GK07B | band - band |
| GK06B | band - band |
| 3BA125F1BAB | others - second hand |
| 09P83APH | others - hour hand |
| 09P83APM | others - minute hand |
| 09P83ASH | others - hour hand |
| 09P83ASM | others - minute hand |
| 10SC27XB | others - second hand |
| 10SC27XR | others - second hand |
| 3BA125F1BAJ | others - second hand |
| 0354077 | others - winding stem |
| EB0055B0A | others - crown and stem gasket |
| 7431548061 | others - case |
| 82733470 | others - case ring |
| 743154806B | others - case |
| 743110 | others - machine code |
| 74315640XB19 | others - dial |
| 74315640XN19 | others - dial |
| A180CS | others - push pin |
Caliber 7431
