The Seiko Y735-4A20 is a watch model based on the Y735 movement.
Parts List
| F0X8JB | band - band |
| Y7354A2079Z | others - case |
| A180BS | others - push pin |
Other models with the same movement
| Y735-4A00 |
| Y735-4A10 |
| Y735-4A30 |
| Y735-4A40 |
| Y735-4A50 |
| Y735-4A60 |
| Y735-4A70 |
| Y735-4A90 |
| Y735-4B00 |
| Y735-4B10 |
| Y735-4B20 |
| Y735-4B30 |
| Y735-5009 |
| Y735-X001 |