The Seiko 7N89-6B20 is a watch model based on the 7N89 movement.
Parts List
| 205A02JN02 | crystal |
| 8M30A0NNG2 | crown - crown |
| 8M30A0SNW1 | crown - crown |
| 0F200NA1S | case back gasket - case back gasket |
| B5722J | band |
| B5722J-LKS | band - link |
| B5722K-LKG | band - link |
| B5722L-LKG | band - link |
| B5722L | band |
| B5722K | band |
| B5722L-BK4G | clasp - clasp |
| B5722K-BK4G | clasp - clasp |
| B5722J-BK4S | clasp - clasp |
| T070BS | others - push pin |
| 0351892 | others - winding stem |
| 82824880 | others - case ring |
| 0878605 | others - date dial |
| 0878607 | others - date dial |
| 7N890 | others - machine code |
| 7N896B20 | others - case back |
| 7N896B2075Z | others - case |
| 7N896B207LZ | others - case |
| 7N896B20T0Z | others - case |
| 7N896C38XG14 | others - dial |
| 7N896C38XS14 | others - dial |
| 7N896C48XS14 | others - dial |
| 7N896C48XS1Z | others - dial |
| 2AC080AMBNG | others - minute hand |
| 1AC055AMBNG | others - hour hand |
| 2AB080L0BDG | others - minute hand |
| AD006BA12 | others - crown gasket |
| 2AC080AMBAC | others - minute hand |
| 1BB055L0BDG | others - hour hand |
| 1AC055AMBAC | others - hour hand |