Bremont Altitude ChronographvsHamilton Jazzmaster Auto Chrono
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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.
Altitude Chronograph
Jazzmaster Auto Chrono
Diameter
42mm
42mm
Thickness
14.7mm
lowest
15.2mm
Water Resistance
100m
100m
Power Reserve
n/a
60h
MSRP
$6,300
$2,095
lowest
Movement
Bremont BE-50AE
Hamilton H-21
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Bremont Altitude Chronograph is noted for its improved Roto Click bezel, offering better smoothness and click precision. Owners observe faint marks on the case sides and back, along with strap wear. One review flags the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that deviates from the MB series' usual tone. On balance, reviewers find the Bremont Altitude Chronograph to be a well-built watch with a refined bezel action, though some find dial text polarizing.
Owners widely praise the Hamilton Jazzmaster Auto Chrono for its excellent value and substantial, dressy appearance, with many noting its superior quality and finish compared to other brands. The H-21 movement offers a 60-hour power reserve, though its thickness makes the watch unsuitable for those seeking a slim profile. Some owners express a preference for a 3-6-9 subdial layout or a smaller case size. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its strong value proposition and appealing aesthetic.
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