Grand Seiko
Calibre 4J52
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 STGF359 STGF359G | 28.9 mm | 8.7 mm | 35.4 mm |
| Grand Seiko Heritage STGF385 STGF385G | 28.9 mm | 8.8 mm | 35.4 mm |