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Breitling Caliber 04 In-House Movement

Breitling Caliber B04

Breitling Caliber 04 In-House Movement

Manufacturer Breitling
Caliber Number B04
Base Caliber B01
In-House Yes
Certified Chronometer Yes
Vibrations Per Hour 28,800 bph
Power Reserve 70 hours
Jewels 47
Functions Hours, minutes, small seconds, 1/4 second, 30 minutes counter, 12 hours counter, chronograph, date
Country of Manufacture Switzerland
Known Models
Transocean Chronograph GMT, Chronomat GMT


Is the Breitling Caliber B04 any good? Share your opinions, experiences and watches below... Keep comments respectful and follow our community guidelines.

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Bobby Bleu
Bobby Bleu

Just bought a pre owned Breitling Montrillant O1 limited edition one of 2000. Just wondering what is the difference between my B01 movement and the B04. The seem to do the same things.

Michael Herskowitz
Michael Herskowitz

the B04 is a GMT the B01 is not