Family: B1x47 jewels70h power reserve28,800 vph (4 Hz)
The B12 is an in-house automatic chronograph manufactured by Breitling, introduced in 2021 as part of the B1x caliber family. It is based on the flagship B01 movement and adds a split-seconds (rattrapante) complication with a calendar function. The movement remains in production and is featured in Breitling's Premier and Navitimer collections.
Last updated 7 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
47 jewels
Power Reserve
70h
Frequency
28,800 vph (4 Hz)
Display Type
Analog
COMPLICATIONS
ChronographSplit-SecondsDate
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2021CALIBER FAMILY
B1xALSO KNOWN AS
cal. b12
FOR WATCH DEALERS
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