The Seiko Y450-4230 is a watch model based on the Y450 movement.
Parts List
| ES5N13LZ40 | crystal |
| ES5N13LZ50 | crystal |
| ES5N13LZ10 | crystal |
| ESEN13LZ10 | crystal |
| 0I0110B01 | case back gasket |
| 0I950B01 | case back gasket |
The Seiko Y450-4230 is a watch model based on the Y450 movement.
| ES5N13LZ40 | crystal |
| ES5N13LZ50 | crystal |
| ES5N13LZ10 | crystal |
| ESEN13LZ10 | crystal |
| 0I0110B01 | case back gasket |
| 0I950B01 | case back gasket |