Breitling
Calibre B12
Automatic chronograph
Specifications
- Maker
- Breitling
- Type
- Automatic chronograph
- 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 Navitimer B12 Chronograph 41 Cosmonaute RB12302A1L1P1 | 41 mm | 13.6 mm | — |