The Seiko 6431-5010 is a watch model based on the 6431 movement.
Parts List
| SA4N64GN | crystal |
| SA4N64GN00 | crystal - crystal |
| 35R34NS1 | crown - crown |
| 35R34NA1 | crown - crown |
| 0A2800N | case back gasket |
Caliber 6431
Seiko 6431-5010 Watch Guide
The Seiko 6431-5010 is a watch model based on the 6431 movement.
| SA4N64GN | crystal |
| SA4N64GN00 | crystal - crystal |
| 35R34NS1 | crown - crown |
| 35R34NA1 | crown - crown |
| 0A2800N | case back gasket |