The Seiko 4J81-0AP0 is a watch model based on the 4J81 movement.
Parts List
| 0F180BAD2 | case back gasket - case back gasket |
| A00K111J9 | band - metal band |
| A00K12139 | band - metal band |
| A00K12179 | band - metal band |
| A100BS | others - push pin (for mb) |
| EA0040B0A | others - crown and stem gasket |