The Seiko 7N89-0031 is a watch model based on the 7N89 movement.
Parts List
| 210P02LN03 | crystal |
| 8M35A0NNG2 | crown - crown |
| 0F170BAA3 | case back gasket - case back gasket |
| 86589370 | crystal gasket |
| 86170230 | bezel gasket - plastic gasket for bezel |
| G5174L | band - band |
| G5174K | band - band |
| G5174K-LKG | band - link |
| G5174L-LKG | band - link |
| G5174K-BK4G | clasp - buckle |
| G5174L-BK4G | clasp - buckle |
| 1AX060SDBAA | others - hour hand |
| 2AA090SCBAA | others - minute hand |
| 2AA085A5BAA | others - minute hand |
| 81181459 | others - bracelet fixing pipe |
| 81605119 | others - bracelet fixing pin |
| 82852610 | others - case ring |
| 7N89003175 | others - case |
| 82353131 | others - bezel |
| 7N890031 | others - case back |
| 0351892 | others - winding stem |
| 7N8900317L | others - case |
| 0878605 | others - date dial |
| 7N890 | others - machine code |
| 7N890081XS19 | others - dial |
| 7N890081XS29 | others - dial |
| 7N890091XS14 | others - dial |
| 7N890091XS24 | others - dial |
| 7N890361XS19 | others - dial |
| 2AA090SCBAL | others - minute hand |
| 2AB090ABBAA | others - minute hand |
| AD006BA12 | others - crown gasket |
| 2AB090ABBNG | others - minute hand |
| 1AX060SDBAL | others - hour hand |
| 1AB060ABBAA | others - hour hand |
| 1AB060ABBNG | others - hour hand |