The Seiko Y729-4000 is a watch model based on the Y729 movement.
Parts List
| ES0W40GM02 | crystal |
| FH2881B01 | case back gasket - case back gasket |
| 86178820 | crystal gasket |
| 80611989 | pusher |
| CA010 | band - metal band |
| A190CS | others - push pin |
| 0A0110B01 | others |
Other models with the same movement
| Y729-4010 |
| Y729-4039 |
| Y729-4059 |
| Y729-4060 |
| Y729-5000 |
| Y729-5019 |
| Y729-5020 |
| Y729-502A |
| Y729-502B |