The Seiko 5421-0050 is a watch model based on the 5421 movement.
Parts List
| 180W04GN00 | crystal |
| 35MA8NS1 | crown |
| 35MA8NA1 | crown |
| 0H1720N01 | case back gasket - case back gasket |
Caliber 5421
Seiko 5421-0050 Watch Guide
The Seiko 5421-0050 is a watch model based on the 5421 movement.
| 180W04GN00 | crystal |
| 35MA8NS1 | crown |
| 35MA8NA1 | crown |
| 0H1720N01 | case back gasket - case back gasket |