The Seiko 7431-6090 is a watch model based on the 7431 movement.
Parts List
| 240W11HN00 | crystal |
| 35M77NA1 | crown |
| 0F195BAA2 | case back gasket - case back gasket |
| 86570850 | crystal gasket - crystal plastic gasket |
| YA25A | band - metal band |
| 10P55NGH | others - hour hand |
| 10P55NGM | others - minute hand |
| 3AA125F1ANG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0354077 | others - winding stem |
| 82718250 | others - case ring |
| 743110 | others - machine code |
| 7431609061 | others - case |
| 74316100XG14 | others - dial |
| A140AS | others - push pin |
| 10SC23T1 | others - second hand |
| 240W11HN00 | crystal |
| 35M77NA1 | crown |
| 0F195BAA2 | case back gasket - case back gasket |
| 86570850 | crystal gasket - crystal plastic gasket |
| YA25A | band - metal band |
| 10P55NGH | others - hour hand |
| 10P55NGM | others - minute hand |
| 3AA125F1ANG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0354077 | others - winding stem |
| 82718250 | others - case ring |
| 743110 | others - machine code |
| 7431609061 | others - case |
| 74316100XG14 | others - dial |
| A140AS | others - push pin |
| 10SC23T1 | others - second hand |
Caliber 7431
