The Seiko Y486-4030 is a watch model based on the Y486 movement.
Parts List
| BA0W79LM60 | crystal |
| BA0W79LM10 | crystal |
| BA0W79LM40 | crystal |
| BA0W79LM50 | crystal |
| EJ2610B34 | case back gasket |
| EG0060B01 | others - button gasket |
Other models with the same movement
| Y486-4000 |
| Y486-4020 |
| Y486-4040 |
| Y486-4060 |
| Y486-4090 |
| Y486-409A |
| Y486-4100 |
| Y486-5010 |
| Y486-5020 |
| Y486-5030 |