The Seiko A781-4040 is a watch model based on the A781 movement.
Parts List
| AL13B | band - band |
| A7814040N2 | others - case |
Other models with the same movement
| A781-4000 |
| A781-400A |
| A781-400B |
| A781-400C |
| A781-400E |
| A781-400F |
| A781-4020 |
| A781-4030 |
| A781-403A |
| A781-403B |
| A781-4060 |