Breitling Chronomat B01 42vsGlycine Airman SST GMT GL0312


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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Chronomat B01 42

Airman SST GMT GL0312
Diameter
42mm
43mm
Thickness
15.1mm
n/a
Water Resistance
200m
200m
Power Reserve
70h
n/a
MSRP
$24,600
$3,400
lowest
Movement
Breitling B01
Sellita SW330-2
Case
5 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
The Glycine Men's Airman SST GMT 43mm Automatic Watch GL0312 is praised as one of the best values for a Swiss automatic GMT watch. Owners note its 1970s reissue design, referencing the brand's hometown of Bienne, Switzerland, and the dial's two black shades representing AM and PM. This model is recognized as an early purpose-built dual-time zone watch. Overall, owners rate the Glycine Men's Airman SST GMT 43mm Automatic Watch GL0312 highly for its value and historical design cues.
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