The Seiko 3423-5120 is a watch model based on the 3423 movement.
Parts List
| SA2W98GN00 | crystal |
| 30M22NA1 | crown - crown |
| 0H1860N01 | case back gasket - case back gasket |
Caliber 3423
Seiko 3423-5120 Watch Guide
The Seiko 3423-5120 is a watch model based on the 3423 movement.
| SA2W98GN00 | crystal |
| 30M22NA1 | crown - crown |
| 0H1860N01 | case back gasket - case back gasket |