Caliber lookup
Movement reference
3820
Time-only '38SQ' higher-grade member of Seiko's first volume-production quartz family.
- Type
- quartz
- Jewels
- 7
- Produced
- 1971–1982
- Family
- Seiko 38 (38xx analog quartz)
Notable references
3820-6000
In the catalogue
0 modelsNo models with the 3820 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.

