Caliber lookup
Movement referenceGrand Seiko
9SA4
Manual-wind 9SA-architecture caliber, Hi-Beat 36000 with dual-impulse escapement, used in slim hand-wound models.
- Type
- manual
- Jewels
- 39
- Produced
- 2023–present ~
- Family
- Grand Seiko 9SA
Notable references
SLGW002SLGW003
In the catalogue
0 modelsNo models with the 9SA4 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.

