ARES Diver-1 GMTvsHamilton 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.

Diver-1 GMT

Khaki Navy Scuba Auto
Diameter
41mm
40mm
Lug-to-Lug
49.5mm
n/a
Thickness
13.3mm
12.9mm
lowest
Water Resistance
1000m
highest
100m
Power Reserve
n/a
80h
MSRP
$2,850
$975
lowest
Movement
ETA 2893-2
Hamilton H-10
Case
5 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the ARES Diver-1 GMT for its excellent legibility, strong lume, and comfortable rubber strap, with some highlighting its unique triple-timezone capability via the 24-hour bezel and chapter ring. The watch is considered a great value, with used examples around $700, and features an ETA 2893-2 automatic movement. However, community members frequently report significant customer service and communication issues, with some receiving watches not as described. Overall, owners rate the ARES Diver-1 GMT highly for its tool-watch functionality and value, despite noted customer service challenges.
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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