The Seiko 7431-6130 is a watch model based on the 7431 movement.
Parts List
| 220P02HN03 | crystal - crystal |
| 220W25HN00 | crystal - crystal |
| 40MR7NL1 | crown - crown |
| 40MR7N11 | crown - crown |
| 0F195BAA2 | case back gasket - case back gasket |
| 86571650 | crystal gasket - plastic gasket for crystal |
| 86571651 | crystal gasket - plastic gasket for crystal |
| GA20B | band - band |
| GL35A | band - band |
| 09P73NBH | others - hour hand |
| 09P73NBM | others - minute hand |
| 09P75DBH | others - hour hand |
| 09P75DBM | others - minute hand |
| 09SC35XB | others - second hand |
| A120BS | others - push pin (for lb) |
| 743110 | others - machine code |
| 74316140XG18 | others - dial |
| 74316141XG18 | others - dial |
| 74316150XS19 | others - dial |
| 74316151XS19 | others - dial |
| EB0055B01 | others - crown and stem gasket |
| 0354077 | others - winding stem |
| 74316130WE | others - case |
| 82718250 | others - case ring |
| 74316130WZ | others - case |
Caliber 7431
