The Seiko 7N89-6B40 is a watch model based on the 7N89 movement.
Parts List
| 240A03JN02 | crystal - crystal |
| 8M35B6SNG1 | crown - crown |
| 8M35B8NNG1 | crown - crown |
| 0F230NA1S | case back gasket - case back gasket |
| 4A66KZ | band - leather band |
| 4A63KZ | band |
| 4A64KZ | band |
| 4A65KZ | band |
| 82824660 | others - case ring |
| 0878605 | others - date dial |
| 7N890 | others - machine code |
| 7N896B40 | others - case back |
| 7N896B4075Z | others - case |
| 7N896B407HZ | others - case |
| 7N896D58XS14 | others - dial |
| 7N896D68XS14 | others - dial |
| 7N896D68XS34 | others - dial |
| A160BS | others - push pin |
| 0351892 | others - winding stem |
| 2AA095F0BNG | others - minute hand |
| 1AX065F4BNG | others - hour hand |
| AD006BA12 | others - crown gasket |
| 2AA095F0BAA | others - minute hand |
| 1AX065F4BAA | others - hour hand |