The Seiko 7820-9000 is a watch model based on the 7820 movement.
Parts List
| 300R18GNS0 | crystal |
| 300R18GNG0 | crystal |
| 35R08NA1 | crown |
| 35R08NS1 | crown - crown |
| 35R30NS1 | crown |
| 35R30NA1 | crown |
| 0H2930B09 | case back gasket |
| 0G2495B01 | case back gasket |
| OG2495B01 | case back gasket |
| LK372 | band - leather band |
| NK141 | band - leather band |
| 13C16ABH | hand - hour hand |
| 13C16ABM | hand - minute hand |
| 13C16CGH | hand - hour hand |
| 13C16CGM | hand - minute hand |
| 7820900001H7 | others - dial |
| 7820900011 | others - case |
| 7820900025 | others - case |
| 7820901001H9 | others - dial |
| 83107251 | others - case ring |
| 83336331 | others - bezel |
| 83336339 | others - bezel |
| A180CS | others - push pin |
| 0354780 | others - setting/winding stem |