Caliber B21

AUTOMATIC • Analog • Chronograph: Chronograph, Column wheel Hands: Hours, Minutes, Small Seconds Chronometer, Tourbillon Escapement

Jewels
47
Reserve
70 h
Frequency
28,800 vph (4.0 Hz)
Diameter
-
Height
-

About this caliber

Self-winding movement with chronograph and tourbillon. Note - second Breitling movement to carry the B21 designation.

Technical details

Movement
AUTOMATIC
Display
Analog
Jewels
47
Power reserve
70 hours
Frequency
28,800 vph (4.0 Hz)
Hands
Chronograph: Chronograph, Column wheel Hands: Hours, Minutes, Small Seconds Chronometer, Tourbillon Escapement
Diameter
-
Height
-
Parts
-