Hamilton Khaki Navy Scuba AutovsIslander Calabro GMT World Time Watch


Ref. islander-calabro-gmt-world-time-watch-with-full-lume-dial-isl-244·MSRP $329
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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.

Khaki Navy Scuba Auto

Calabro GMT World Time Watch
Diameter
40mm
40mm
Lug-to-Lug
n/a
14mm
Thickness
12.9mm
lowest
14mm
Water Resistance
100m
200m
highest
Power Reserve
80h
n/a
MSRP
$975
$329
lowest
Movement
Hamilton H-10
Seiko NH34
Case
3 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Islander Calabro GMT World Time Watch for its excellent value and quality, with many appreciating the attractive split dial design and the "true" GMT functionality powered by the Seiko NH34 automatic movement. Specific positive points include the retro day window, a well-regarded bracelet with screw links and micro-adjustments, and applied indices. One owner noted the watch is 39mm, not 40mm, and found the lume not as advertised, while another suggested improvements to the busy dial layout. On balance, owners rate the Islander Calabro GMT World Time Watch highly for its impressive feature set and design at its affordable price point.
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