The Seiko 4J81-5A10 is a watch model based on the 4J81 movement.
Parts List
| K00P18SR01 | crystal - crystal |
| 36M06NH2 | crown |
| 36M06NS2 | crown - crown (3h) |
| 0F190BAD2 | case back gasket - case back gasket |
| 0F180BAD2 | case back gasket - case back gasket |
| 0F190NAAS | case back gasket - case back gasket |
| 86583140 | crystal gasket - plastic gasket for crystal |
| A054AM | band - band |
| A054CM | band - band |
| 2BB065A1BHG | others - minute hand |
| 07ST08JS | others - second hand |
| 1BB045Y0BHS | others - hour hand |
| 2BB070Y0BHS | others - minute hand |
| 1BB042A1BJG | others - hour hand |
| 06ST04JG | others - second hand |
| 07ST08JG | others - second hand |
| 1BB045Y0BHG | others - hour hand |
| 2BB070Y0BHG | others - minute hand |
| 0351405 | others - winding stem |
| 81190875 | others - bracelet fixing pipe |
| 4J815A1061 | others - case |
| 82293969 | others - bezel |
| 82838940 | others - case ring |
| 81611869 | others - bracelet fixing pin |
| 4J815A10 | others - case back |
| 4J815A109G | others - case |
| EA0040B0A | others - crown and stem gasket |