Breitling
Calibre B15
Manual winding
Specifications
- Maker
- Breitling
- Type
- Manual winding
- In-house
- Yes
- Power reserve
- about 70 h
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official Breitling retrieved October 19, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Breitling Premier B15 Duograph 42 (steel) AB1510171C1P1 | 42 mm | 15.35 mm | — |
| Breitling Premier B15 Duograph 42 (18k red gold) RB1510251B1P1 | 42 mm | 15.35 mm | — |