Grand Seiko
Calibre 9F51
Quartz
Specifications
- Maker
- Grand Seiko
- Type
- Quartz
- In-house
- Yes
- Power reserve
- Not found in sources
- Frequency
- Not found in sources
Sources
- Official Grand Seiko retrieved October 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Grand Seiko Heritage SBGX359 “Snowflake” SBGX359G | 33 mm | 9.1 mm | 39.7 mm |
| Grand Seiko Heritage SBGX363 “Hana-Ikada 32” SBGX363G | 32.3 mm | 9 mm | 39 mm |