The Seiko 7N89-6A20 is a watch model based on the 7N89 movement.
Parts List
| 205W22JN01 | crystal |
| 8M30A0NNG2 | crown - crown |
| 0A2000B01 | case back gasket |
| B5708G | band |
| B5708C-LKG | band - link |
| B5708G-LKG | band - link |
| B5708C | band |
| B5708G-PB1 | clasp - parts for buckle/clasp |
| B5708C-PB1 | clasp - parts for buckle/clasp |
| B5708G-BK1G | clasp - clasp |
| B5708C-BK1S | clasp - clasp |
| 2AC080A0BAA | others - minute hand |
| 0351892 | others - winding stem |
| 82824640 | others - case ring |
| 0878605 | others - date dial |
| 0878607 | others - date dial |
| 0878608 | others - date dial |
| 7N893 | others - machine code |
| 7N896A20 | others - case back |
| 7N896A2075 | others - case |
| 7N896A2098 | others - case |
| 7N896A20XL14 | others - dial |
| 7N896A20XS14 | others - dial |
| 7N896A30XG14 | others - dial |
| 7N896A30XS14 | others - dial |
| 7N896C50XS19 | others - dial |
| 7N896C60XS19 | others - dial |
| B080BS | others - push pin |
| 2AA080S2BNG | others - minute hand |
| AD006BA12 | others - crown gasket |
| 1AC060AABAA | others - hour hand |
| 1AA055S2BNG | others - hour hand |
| 2AB075A2BNG | others - minute hand |
| 1AB052A0BNG | others - hour hand |