Caliber lookup
Movement referenceGrand Seiko
9S55
Grand Seiko — uses GS dating conventions, not the standard serial scheme.
- Type
- automatic
- Jewels
- 26
- Produced
- 1998–2010
- Family
- Grand Seiko 9S
In the catalogue
0 modelsNo models with the 9S55 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.