The Seiko 7431-5059 is a watch model based on the 7431 movement.
Parts List
| SACN59HN00 | crystal |
| 30N49NA1 | crown - crown |
| 0H2370B02 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| BPJ05G | band - leather band |
| KPJ02G | band - leather band |
| WPJ01G | band - leather band |
| 3AA125F1ANG | others - second hand |
| 10P53NGM | others - minute hand |
| 10P43NGH | others - hour hand |
| 7431505925 | others - case |
| 74315090XG14 | others - dial |
| 83137010 | others - case ring |
| A180BS | others - push pin |
| 1AA070A1BNG | others - hour hand |
| 10SC25T1 | others - second hand |
Caliber 7431
