The Seiko 3423-5040 is a watch model based on the 3423 movement.
Parts List
| K01N02GN00 | crystal |
| 30M22NA1 | crown - crown |
| 30M22NS1 | crown - crown |
| 0A1900N0 | case back gasket |
Caliber 3423
Seiko 3423-5040 Watch Guide
The Seiko 3423-5040 is a watch model based on the 3423 movement.
| K01N02GN00 | crystal |
| 30M22NA1 | crown - crown |
| 30M22NS1 | crown - crown |
| 0A1900N0 | case back gasket |