The Seiko 7431-5070 is a watch model based on the 7431 movement.
Parts List
| SA8N71HN00 | crystal |
| 30N75NN1 | crown |
| 30N75NS1 | crown |
| 0C350BA11 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |
Caliber 7431
Seiko 7431-5070 Watch Guide
The Seiko 7431-5070 is a watch model based on the 7431 movement.
| SA8N71HN00 | crystal |
| 30N75NN1 | crown |
| 30N75NS1 | crown |
| 0C350BA11 | case back gasket |
| DZ0065B01 | case back gasket - button gasket |