The Seiko 7820-5030 is a watch model based on the 7820 movement.
Parts List
| SA1N56GN00 | crystal - crystal (inorganic) |
| 35R30NA1 | crown |
| 35R08NS1 | crown - crown |
| 35R30NS1 | crown |
| 0H2800B09 | case back gasket |
| 12C12DSH | hand - hour hand |
| 12C12DSM | hand - minute hand |
| 7820503011 | others - case |
| 782050401L53 | others - dial |
| 782050408CS3 | others - dial |
| 83107230 | others - case ring |
| 0354780 | others - setting/winding stem |
| 0884690 | others - holding ring for dial |