The Seiko 7820-7000 is a watch model based on the 7820 movement.
Parts List
| 280N02GN00 | crystal |
| 35M40N | crown |
| 35M40ND1 | crown - crown |
| 0Z2775L41 | case back gasket |
| 0G2685B01 | case back gasket |
| CK872 | band - leather band |
| 11C33DGH | hand - hour hand |
| 11C33DGM | hand - minute hand |
| 0354780 | others - setting/winding stem |
| 782070004B | others - case |
| 7820700088Q4 | others - dial |
| 83107251 | others - case ring |
| A180CS | others - push pin |