
Ref. IB0134101G1A1 · 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












3 colorways
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Owners widely praise the Breitling Chronomat B01 42 for its excellent finishing, robust build, and the refined Breitling Manufacture Calibre 01 movement, noting its accurate timekeeping and positive pusher feel. The distinctive Rouleaux bracelet is frequently highlighted for its comfort and quality, contributing to its suitability for daily wear across various settings. However, some owners find the 42mm case and its overall dimensions to be large or thick for smaller wrists, and the polished bezel is noted as a fingerprint magnet. Mixed reactions exist regarding its bold aesthetic, with some appreciating its retro charm and others finding it polarizing, particularly in bicolor configurations. On balance, owners and reviewers rate the Breitling Chronomat B01 42 highly for its well-executed chronograph functionality and distinctive design, with the quality of the bracelet and finishing being key reasons for its positive reception.
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