Seiko
Calibre 6R64
Automatic
Specifications
- Maker
- Seiko
- Type
- Automatic
- In-house
- Yes
- Power reserve
- about 45 h
- Frequency
- Not found in sources
Sources
- Official Seiko retrieved October 14, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Seiko Presage Sharp Edged Series SPB225 SPB225J1 | 42.2 mm | 13.7 mm | 49.2 mm |