Breitling
Calibre B03
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 B03 Chronograph Rattrapante 45 (steel) AB03102A1F1P2 | 45 mm | 15.73 mm | — |
| Breitling Navitimer B03 Chronograph Rattrapante 45 (18k red gold) RB0311211Q1P1 | 45 mm | 15.53 mm | — |