Grand Seiko
Calibre 9R02
Spring Drive, manual winding
Specifications
- Maker
- Grand Seiko
- Type
- Spring Drive, manual winding
- In-house
- Yes
- Power reserve
- about 84 h
- Frequency
- Not found in sources
Sources
- Official Grand Seiko retrieved October 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Grand Seiko Masterpiece SBGZ003 SBGZ003J | 38.5 mm | 9.8 mm | 43.7 mm |
| Grand Seiko Masterpiece SBGZ011 SBGZ011J | 40 mm | 9.6 mm | 45.2 mm |