The Breitling B21 is an automatic movement with 47 jewels and a frequency of 28,800 vibrations per hour. It has a power reserve of 70 hours and combines a chronograph with column wheel construction and a tourbillon, along with a small seconds display. This caliber is used in the Premier B21 Chronograph Tourbillon 42 and the Top Time (B21).
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
30 jewels
Power Reserve
55h
Frequency
28,800 vph (4 Hz)
Display Type
Analog
COMPLICATIONS
FEATURES
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
xxCOUNTRY
SwitzerlandALSO KNOWN AS
FOR WATCH DEALERS
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Watches with this movement
Breitling
Premier B21 Chronograph Tourbillon 42 Gaston Breitling
JB2120A61B1P1
Breitling
Premier B21 Chronograph Tourbillon 42 Willy Breitling
LB2120171C1P1
Breitling
Top Time B21 Ford Mustang
NB21251A1L1X1
Breitling
Premier B21 Chronograph Tourbillon 42 Bentley
RB21201A1L1P1
Breitling
Premier B21 Chronograph Tourbillon 42 Léon Breitling
RB2120211G1P1
Breitling
Premier B21 Chronograph Tourbillon 42 Japan Limited
RB21202A1K1P1
Breitling
Premier B21 Chronograph Tourbillon 42 Limited Edition
RB21203A1Q1P1
Breitling
Premier B21 Chronograph Tourbillon 42 Limited Edition
RB21204A1C1P1
Breitling
Top Time B21 Shelby Cobra
SB21251A1C1X1
Breitling
Top Time B21 Chevrolet Corvette
SB21252A1Q1X1
Breitling
Top Time B21 Japan Limited
SB21253A1L1X1