
Ref. RB0134101B1S1 · 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 · 33 watches
2 colorways
The market
The forum market
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Breitling on the secondhand market
Somewhere in -8.4% to +7.1%
27 matched watches
Divers as a group: +6.5% · 305 matched watches
Year-by-year readings →The connection engine
The community take
Breitling Chronomat B01 42 owners and reviewers widely praise its refined Rouleaux bracelet, excellent case and dial finishing, and the robust Breitling B01 movement. Many consider it a compelling "all-in-one watch" suitable for daily wear, with some highlighting the dynamic sunburst finish of copper dials and the overall build quality. However, multiple sources note the 42mm case wears larger than expected, with a long lug-to-lug distance making it feel more like a 44mm watch and potentially too thick or large for smaller wrists. The polished bezel is noted as a fingerprint magnet, and some find the butterfly clasp generic, while one owner reported a magnetized example running significantly fast before demagnetization. On balance, owners and reviewers rate the Breitling Chronomat B01 42 highly for its impressive finishing and versatile design, despite its substantial wrist presence.
On real wrists
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The paper trail
The discussion