
Ref. AB01342B/BK07/123A · Diver
Breitling
Breitling's flagship in-house integrated chronograph movement featuring a column-wheel mechanism and vertical clutch for smooth chronograph operation. The 70-hour power reserve and COSC certification make it one of the best value propositions in manufacture chronograph calibers. Its modular design allows for various dial configurations across the Navitimer, Chronomat, and Premier collections.
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Chronomat collection · 32 watches












33 colorways
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The community take
Owners and reviewers widely praise the Breitling Chronomat B01 42 for its exceptional fit and finish, with many calling the Rouleaux bracelet a work of art and the case and bracelet feeling like a "little tank." The dial execution is consistently noted as elegant and appealing, with the copper dial specifically highlighted as unique and dynamic. Some owners report excellent timekeeping, with one noting -3 to -2 seconds per day after demagnetization. The watch's styling is described as bold and loud by some, and its 42mm size with a 50.5mm lug-to-lug distance may wear large for some wrists, feeling more substantial than other 42mm watches. The polished bezel is noted as a fingerprint magnet. Overall, owners and reviewers rate the Breitling Chronomat B01 42 highly for its robust build quality and distinctive bracelet design.
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