The Seiko 7N42-8250 is a watch model based on the 7N42 movement.
Parts List
| 295A05JN02 | crystal - crystal |
| 8M35A0NNG1 | crown - crown |
| 0F240BA1S | case back gasket - case back gasket |
| WE80BZ | band - band |
| 3AA125F3ANG | others - second hand |
| 0351892 | others - winding stem |
| 7N42825075A | others - case |
| 82849550 | others - case ring |
| 7N423 | others - machine code |
| 7N428400XS19 | others - dial |
| A180BS | others - push pin |
| AD006BA12 | others - crown gasket |
| 1AX085A0BNG | others - hour hand |