The Seiko 3421-5200 is a watch model based on the 3421 movement.
Parts List
| SA2W58GN00 | crystal |
| 30M22NA1 | crown - crown |
| 0Z1901N0A | case back gasket |
Caliber 3421
Seiko 3421-5200 Watch Guide
The Seiko 3421-5200 is a watch model based on the 3421 movement.
| SA2W58GN00 | crystal |
| 30M22NA1 | crown - crown |
| 0Z1901N0A | case back gasket |