CWC GS Sapphire Military GreenvsHamilton Khaki Field 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.

GS Sapphire Military Green

Khaki Field Auto
Diameter
36.5mm
38mm
Lug-to-Lug
n/a
47mm
Thickness
n/a
11mm
Water Resistance
200m
highest
100m
Power Reserve
n/a
80h
MSRP
$333
lowest
$845
Movement
n/a
Hamilton H-10
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the CWC GS Sapphire Military Green Watch for its grab-and-go quartz movement, accuracy, sapphire crystal, screw-down crown, and 200m water resistance, finding it a unique combination for a field watch. Its subtle 36.5mm case and excellent legibility are also highlighted, with tritium paint markers enhancing seconds tracking. Some owners note the fixed lugs can be challenging for thicker straps, and a few commenters feel the watch is pricey, though its military heritage and solid build quality are acknowledged. Overall, owners rate the CWC GS Sapphire Military Green Watch highly for its functional simplicity and robust specifications at the price point.
Owners widely praise the Hamilton Khaki Field Auto for its classic military design, legibility, and versatile modern-vintage aesthetic that can be dressed up or down. Reviewers and owners alike commend its reliable H-10 automatic movement for accuracy, with one owner reporting deviations of less than one second per day, and its advertised 80-hour power reserve. The 38mm case is noted for its perfect proportions and comfortable wearability, though some find the bracelet's micro-adjustments limited and the lack of AR coating on the crystal can cause glare. On balance, owners and reviewers rate the Hamilton Khaki Field Auto highly for its value and solid build as an entry-level automatic watch.
The Hamilton Khaki Field Auto's smooth and precise bezel action is a standout feature. The watch's lume brightness is somewhat lacking, which might be a drawback for those who prefer a brighter glow in the dark. Reviewers disagree on the watch's size, with one reviewer finding the 38mm to be a pleasant surprise, while the watch is also available in 42mm.
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