The Seiko 4J80-0A40 is a watch model based on the 4J80 movement.
Parts List
| 190A02SN01 | crystal - crystal |
| 6M30D5KNG0 | crown - crown (3h) |
| 6M30D5KDW0 | crown - crown (3h) |
| 0F180BAD2 | case back gasket - case back gasket |
| WI563 | band - band |
| WI553 | band - band |
| WI554 | band - band |
| WI552 | band - band |
| 1BB055A0BJG | others - hour hand |
| 1BB055A0BJS | others - hour hand |
| 2BB080A0BHG | others - minute hand |
| 2BB080A0BHS | others - minute hand |
| 82835720 | others - case ring |
| DB004BAD1 | others - crown and stem gasket |
| 0351405 | others - winding stem |
| 4J800A4002 | others - case |
| 4J800A4001 | others - case |