Breitling Superocean Heritage B31 AutomaticvsHamilton Khaki Navy Scuba Auto


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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.

Superocean Heritage B31 Automatic

Khaki Navy Scuba Auto
Diameter
42mm
40mm
Thickness
12.0mm
lowest
12.9mm
Water Resistance
200m
highest
100m
Power Reserve
78h
80h
highest
MSRP
$6,500
$975
lowest
Movement
Breitling B31
Hamilton H-10
Case
6 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Breitling Superocean Heritage B31 Automatic for its revived, characterful design embracing '50s charm and its comfortable fit, with some finding the 42mm case size preferable to larger options. Reviewers highlight the new B31 automatic movement, noting its 78-hour power reserve and COSC certification, along with stylish Milanese bracelets and a thinner, more ergonomic case. Some owners find the watch to be the heaviest they own but also the most comfortable, with lugs that hug the wrist. However, the pared-back dive bezel is noted by some as potentially impacting legibility, and the white date wheel at 6 o'clock could be divisive. Criticism is directed at the movement at its price point by some community members, while others appreciate its quality and COSC certification. On balance, owners and reviewers rate the Breitling Superocean Heritage B31 Automatic highly for its revived design and comfortable wearability, supported by its new B31 automatic movement.
Owners widely praise the Hamilton Khaki Navy Scuba Auto as an excellent value proposition under $1,000, highlighting its distinctive design, legible lume, and tactile bezel. Some owners appreciate its 40mm case size for comfortable everyday wear, while others find the 43mm variants feel great on the wrist. The H-10 automatic movement provides an 80-hour power reserve. However, the 43mm case size is noted as large by some, and the steel bracelet could benefit from a taper and a quick-adjust clasp. On balance, owners and reviewers rate the Hamilton Khaki Navy Scuba Auto highly for its robust tool watch design and impressive value at its price point.
The 80-hour power reserve from the H-10 movement is a significant strength. Reviewers noted the bezel action and bracelet/clasp as points of focus.
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