The Seiko W306-4A00 is a watch model based on the W306 movement.
Parts List
| EG0115B01 | case back gasket - button gasket |
| 0Z2900B01 | bezel gasket - dichtung |
| 8061720B | pusher |
| AL82G | band - leather band |
| AL85G | band - leather band |
| T200BS | others - push pin |
Other models with the same movement
| W306-4000 |
| W306-4010 |