Breitling Premier B01 Chronograph 42vsZelos GT

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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.

Premier B01 Chronograph 42

GT
Diameter
42mm
42mm
Thickness
13.6mm
10.8mm
lowest
Water Resistance
100m
100m
Power Reserve
70h
n/a
MSRP
$9,750
$529
lowest
Movement
Breitling B01
Miyota 9133
Case
4 specsCrystal & Dial
1 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Breitling Premier B01 Chronograph 42 for its elegant, timeless design, exceptional finishing, and high-quality feel, with many finding it looks even better in person. Reviewers and owners alike highlight the versatile design, thoughtful proportions, and the in-house B01 movement as significant strengths, noting the applied Arabic numerals and refined dial text. The 42mm case wears slimmer and closer to the wrist than some alternatives, and the watch offers 100m water resistance and a 70-hour power reserve. Some owners find the chronograph pushers can feel stiff to start, and one reported accuracy of approximately five seconds fast per day, which they deemed acceptable but suboptimal for the price. The lume is considered lackluster due to small application areas, and some users suggest caution regarding the price, recommending buying used or considering if the watch truly excites them.
Owners widely praise the Zelos GT for its value and materials that exceed expectations, with particular appreciation for the power reserve meter and the superb 3-point micro-adjust bracelet. However, some owners find certain designs too aggressive or oversized, and one owner noted the dark green dial mostly appears black. The bracelet is described as extremely long, requiring significant link removal even for a 7.1-inch wrist. Overall, owners rate the Zelos GT highly for its value and bracelet adjustability at its price point.
The dial's subtle light play and the inclusion of a Miyota 9133 movement with a power reserve indicator are noted strengths. Reviewers did not reach a consensus on any weaknesses.
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