Seiko
Calibre 6R51
Automatic
Specifications
- Maker
- Seiko
- Type
- Automatic
- In-house
- Yes
- Power reserve
- about 72 h
- Frequency
- Not found in sources
Sources
- Official Seiko retrieved October 14, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Seiko Presage Classic Series HCC001 HCC001J1 | 38 mm | 12.9 mm | 43.8 mm |