
Ref. UB01821A1B1U1 · 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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Avenger collection · 20 watches












The market
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Breitling on the secondhand market
Somewhere in -8.4% to +7.0%
27 matched watches
Divers as a group: +6.4% · 303 matched watches
Year-by-year readings →The connection engine
The community take
Owners widely praise the Breitling Avenger B01 Chronograph for its in-house B01 movement, noting its smooth chronograph action, vertical clutch, solid build, and 70-hour power reserve that holds accuracy well. Reviewers describe the 44mm model as handsome and leaner, with a refined look and a pleasing dial, noting its modern aviation style wears better than previous iterations. Some owners, however, express disappointment that the latest styling has lost its rugged tool-watch DNA, with one finding the case a touch bulky. The 22mm lug width is consistent across 2023 Avenger models, sharing the same bracelet design. Overall, owners rate the Breitling Avenger B01 Chronograph highly for its excellent in-house B01 movement and refined design.
On real wrists
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The paper trail
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The discussion