The Seiko 6431-5070 is a watch model based on the 6431 movement.
Parts List
| SA4N42GN00 | crystal |
| 35R36NA3 | crown - crown |
| 35R34N | crown |
Caliber 6431
Seiko 6431-5070 Watch Guide
The Seiko 6431-5070 is a watch model based on the 6431 movement.
| SA4N42GN00 | crystal |
| 35R36NA3 | crown - crown |
| 35R34N | crown |