The Seiko 9M21-9000 is a watch model based on the 9M21 movement.
Parts List
| 310P04HN03 | crystal |
| 9M55A1SNG0 | crown |
| 0F280BAA3 | case back gasket - case back gasket |
| 0F260BAA3 | case back gasket - case back gasket |
| DB0055B01 | case back gasket - crown and stem gasket |
| 86593190 | crystal gasket |
| 80631091 | pusher |
| BPK35G | band |
| BPK35S | band |
| 03SR29FB | hand - sub hand |
| 2AA027AABAA | hand - sub hand |
| 3CA040AABAA | hand - sub hand |
| 82352811 | others - bezel |
| 82852770 | others - case ring |
| 9M2120 | others - machine code |
| 9M219000 | others - case back |
| 9M21900075 | others - case |
| 9M219000XS14 | others - dial |
| A180BS | others - push pin |
| 0351167 | others - winding stem |
| EG0060B01 | others - button gasket |
| 83200273 | others - button spring clip |
| 2CA120SABCA | others - minute hand |
| 1CA085SABCA | others - hour hand |