The Seiko W309-4110 is a watch model based on the W309 movement.
Parts List
| ES8W72LM01 | crystal |
| 86560320 | case back gasket - plastic gasket for case back |
| 86575940 | crystal gasket - plastic gasket for crystal |
| 003MD | band - metal band |
| 061LF | band - resin band |
| EG0060B01 | others - button gasket |
| A180BS | others - push pin |