The Seiko Y450-4220 is a watch model based on the Y450 movement.
Parts List
| SA9NG5LM40 | crystal |
| SA9NG5LM10 | crystal |
| SA9NG5LM50 | crystal |
| 0I2000B01 | case back gasket |
| 0I0110B01 | case back gasket |
The Seiko Y450-4220 is a watch model based on the Y450 movement.
| SA9NG5LM40 | crystal |
| SA9NG5LM10 | crystal |
| SA9NG5LM50 | crystal |
| 0I2000B01 | case back gasket |
| 0I0110B01 | case back gasket |