The Seiko 7431-5110 is a watch model based on the 7431 movement.
Parts List
| RE7N77HZ10 | crystal |
| 30N49NS1 | crown - crown |
| 0H2300B01 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 7431
Seiko 7431-5110 Watch Guide
The Seiko 7431-5110 is a watch model based on the 7431 movement.
| RE7N77HZ10 | crystal |
| 30N49NS1 | crown - crown |
| 0H2300B01 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |