The Seiko 4J81-0A40 is a watch model based on the 4J81 movement.
Parts List
| 190A16SV0C | crystal - crystal |
| 6M25A2STWA | crown - crown |
| 0F180BAD2 | case back gasket - case back gasket |
| 0F180NA1S | case back gasket - case back gasket |
| AA65AW | band - band |
| AA67AB | band - band |
| 1BB050A8BHG | others - hour hand |
| 2BB075A8BHG | others - minute hand |
| 07ST02JG | others - second hand |
| 07ST06JG | others - second hand |
| 1BA050L0BHG | others - hour hand |
| 2BA075L0BHG | others - minute hand |
| 82835740 | others - case ring |
| 0351405 | others - winding stem |
| 4J810A4061A | others - case |
| 4J810A4061B | others - case |
| 4J810A4061C | others - case |
| 4J810A4061D | others - case |
| A110AS | others - push pin |
| 4J810A4061 | others - case |
| 4J810A40 | others - case back |
| EZ0035B01 | others - crown and stem gasket |