The Seiko 8J81-5030 is a watch model based on the 8J81 movement.
Parts List
| ES4N81SN00 | crystal - crystal |
| 27N01NS5 | crown - crown |
| 0F240NA1S | case back gasket - case back gasket |
| 0H2600B01 | case back gasket - case back gasket |
| VI317 | band - band |
| 2BB110A1BJS | others - minute hand |
| 0351406 | others - winding stem |
| DZ0040B01 | others - crown and stem gasket |