The Seiko 4J81-5030 is a watch model based on the 4J81 movement.
Parts List
| K02A11SN01 | crystal - crystal |
| 6M25Z7KDGA | crown - crown |
| 6M25Z7KDGB | crown - crown (3h) |
| 0F160NA1S | case back gasket - case back gasket |
| AA58BB | band - band |
| AA59BB | band - band |
| AA57DB | band - band |
| 3DA065AABHG | others - second hand |
| 1BB042A1BJG | others - hour hand |
| 2BB065A1BJG | others - minute hand |
| 0351405 | others - winding stem |
| A120AS | others - push pin |
| DZ0040B01 | others - crown and stem gasket |
| 4J81503093B | others - case |
| 4J81503093A | others - case |
| 82873570 | others - case ring |