The Seiko 7B42-HAA0 is a watch model based on the 7B42 movement.
Parts List
| DG42AB | band - leather band |
| S200BS | others - push pin |
Other models with the same movement
| 7B42-0AA0 |
| 7B42-0AB0 |
| 7B42-0AC0 |
| 7B42-0AD0 |
| 7B42-0AE0 |
| 7B42-0AF0 |
| 7B42-0AG0 |
| 7B42-0AH0 |
| 7B42-0AJ0 |
| 7B42-0AK0 |
| 7B42-0AL0 |
| 7B42-0AM0 |
| 7B42-0AN0 |
| 7B42-0AP0 |
| 7B42-0AS0 |
| 7B42-0AT0 |
| 7B42-HAB0 |