Caliber B21
Automatic Chronograph
Automatic movement featuring a chronograph and a tourbillon; this is the second Breitling caliber to use the B21 reference. Includes a column-wheel chronograph, tourbillon escapement, and chronometer certification.
Caliber Details
- Manufacturer
- Breitling
- Type
- Automatic Chronograph
- Frequency
- 28800 vph
- Power Reserve
- 70 h
- Jewels
- 47
- Display
- Analog
- Hands
- Hours, Minutes, Small Seconds
