Calibre
Breitling B21 (Manufacture La Joux-Perret)
In 7 watches by Breitling
- Kind
- Automatic
- Beat
- 28,800 beats an hour (4 Hz)
- Power reserve
- 55 hours
- Jewels
- 30
- Watches from
- 2022 to 2025
Watches that use it
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