The Seiko 7853-7020 is a watch model based on the 7853 movement.
Parts List
| 290W16GA00 | crystal - crystal |
| 35M68NS1 | crown - crown |
| 35M68NA1 | crown - crown |
Other models with the same movement
| 7853-5000 |
| 7853-5010 |
| 7853-5020 |
| 7853-5030 |
| 7853-5040 |
| 7853-7000 |
| 7853-7010 |
| 7853-8000 |