Breitling caliber Caliber B21
Brand: | Breitling |
---|---|
Reference: | Caliber B21 |
Movement: | Automatic |
Display: | Analog |
Jewels: | 47 |
Reserve: | 70 |
Frequency: | 28800 |
Chronograph: | Chronograph, Column wheel |
Hands: | Hours, Minutes, Small Seconds |
Additionals: | Chronometer, Tourbillon Escapement |

Caliber B21 description
Self-winding movement with chronograph and tourbillon.
Note - second Breitling movement to carry the B21 designation.
All watches using the Breitling Caliber B21 movement:

RB21201A1L1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Bentley

RB2120211G1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Léon Breitling

JB2120A61B1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Gaston Breitling

LB2120171C1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Willy Breitling