Caliber lookup
Movement referenceGrand Seiko
9R31
Manual-wind Spring Drive, single-barrel ~72h reserve, used in slim Elegance dress models.
- Type
- spring drive
- Jewels
- 30
- Produced
- 2019–present
- Family
- Grand Seiko 9R
Notable references
SBGY002SBGY003 OmiwatariSBGY007
In the catalogue
0 modelsNo models with the 9R31 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.