Seiko
Calibre 4R72
Automatic
Specifications
- Maker
- Seiko
- Type
- Automatic
- In-house
- Yes
- Power reserve
- about 41 h
- Frequency
- Not found in sources
Sources
- Official Seiko retrieved October 14, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Seiko Presage Style60's SSA461 SSA461J1 | 39.5 mm | 12 mm | 46.2 mm |