Hamilton Khaki Navy GMT AutovsJack Mason Strat-o-timer GMT

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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 GMT Auto

Strat-o-timer GMT
Diameter
43mm
40mm
Lug-to-Lug
52mm
47mm
lowest
Thickness
13.9mm
13.2mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
80h
highest
42h
MSRP
$1,525
$1,099
lowest
Movement
Hamilton H-14
Miyota 9075
Case
5 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 GMT Auto for its true GMT function and 80-hour power reserve, with reviewers noting its value at its price point. The 43mm case is described as having a well-finished brushed exterior and a glossy black dial, complemented by smooth crowns and a comfortable rubber strap. Some owners report accuracy around -5 seconds per day, while others note the rotor sound can be loud. The slightly domed sapphire crystal lacks AR coating, and one owner noted minor cosmetic flaws on the case. Overall, owners and reviewers rate the Hamilton Khaki Navy GMT Auto highly for its robust GMT functionality and build quality relative to its cost.
The sapphire crystal is a strength cited by both reviewers. Both reviewers noted the ETA movement as reliable.
Owners and reviewers widely praise the Jack Mason Strat-o-timer GMT for its excellent value and impressive fit and finish, particularly noting the quality of the 7-link bracelet and the scratch-resistant sapphire bezel insert. The watch is recognized for offering a true traveler's GMT complication with the Miyota 9075 movement at a competitive price point, with many appreciating its comfortable 40mm tonneau case and vintage styling. Some owners find the hour markers to be a bit chunky, and one user noted slightly scratchy crown operation. Overall, owners rate the Jack Mason Strat-o-timer GMT highly for its exceptional value and build quality at its price point.
The Miyota 9075 true GMT movement is a consistent strength. Reviewers noted the exceptional lightness and comfort due to Grade 2 titanium construction. Opinions on whether further refinements are needed were not shared.
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