Breitling caliber Caliber B21
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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

SB21252A1Q1X1
Breitling Premier Top Time B21 Chronograph Tourbillon Chevrolet Corvette

SB21251A1C1X1
Breitling Premier Top Time B21 Chronograph Tourbillon Shelby Cobra

NB21251A1L1X1
Breitling Premier Top Time B21 Chronograph Tourbillon Ford Mustang

RB21202A1K1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Red Gold / Red / Japan

LB21201A1C1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Bucherer Exclusive

SB21253A1L1
Breitling Premier Top Time B21 Chronograph Tourbillon Japan