Grand Seiko
Calibre 9RA2
Spring Drive, self-winding
Specifications
- Maker
- Grand Seiko
- Type
- Spring Drive, self-winding
- In-house
- Yes
- Power reserve
- about 120 h
- Frequency
- Not found in sources
Sources
- Official Grand Seiko retrieved October 14, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Grand Seiko Evolution 9 SLGA019 SLGA019G | 40 mm | 11.8 mm | 47.9 mm |