The Seiko Y760-4000 is a watch model based on the Y760 movement.
Parts List
| SA3W28GM01 | crystal |
| SA3W28GM02 | crystal |
| SA3W28GM03 | crystal |
| FH2781B01 | case back gasket |
| EG0060B01 | others - button gasket |
Other models with the same movement
| Y760-5000 |
| Y760-5010 |
| Y760-5020 |
| Y760-5039 |