The Seiko Y450-4240 is a watch model based on the Y450 movement.
Parts List
| SA9NG9LM10 | crystal |
| SA9NG9LM40 | crystal |
| 0I0110B01 | case back gasket |
| 80602071 | pusher |
| 80602091 | pusher |
| 80602079 | pusher |
| 80602099 | pusher |
The Seiko Y450-4240 is a watch model based on the Y450 movement.
| SA9NG9LM10 | crystal |
| SA9NG9LM40 | crystal |
| 0I0110B01 | case back gasket |
| 80602071 | pusher |
| 80602091 | pusher |
| 80602079 | pusher |
| 80602099 | pusher |