The Seiko 7N89-0450 is a watch model based on the 7N89 movement.
Parts List
| 190WD1SN02 | crystal |
| 190A08SR02 | crystal - crystal |
| 8M35Z0SNGD | crown - crown |
| 0F170BA1S | case back gasket - case back gasket |
| W209AZ | band - band |
| 81180249 | others - bracelet fixing pipe |
| 81611579 | others - bracelet fixing pin |
| 82816970 | others - case ring |
| 7N89045098A | others - case |
| 7N890450 | others - case back |
| 7N89045098B | others - case |
| 7N89045098C | others - case |
| 7N890 | others - machine code |
| 7N890910XA14 | others - dial |
| 0351892 | others - winding stem |
| 1AA050A1BNG | others - hour hand |
| 2AA075A1BNG | others - minute hand |
| AD006BA12 | others - crown gasket |