Aigi Watches Arctic GMTvsMaystone Watch Co Prosperity 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.

Arctic GMT

Prosperity GMT
Diameter
41mm
38mm
Lug-to-Lug
46mm
46mm
Thickness
11.9mm
11.9mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
41h
41h
MSRP
$560
$443
lowest
Movement
Seiko NH34
Seiko NH34
Case
4 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Aigi Watches ARCTIC GMT is widely praised for its excellent value, particularly at its $250 price point, featuring a Seiko NH34 automatic movement, a box sapphire crystal, and a lumed sapphire bezel. Owners appreciate its semi-original design among NH34 GMTs and the dial's textured triangles that catch the light beautifully. Some users have received watches with a Miyota 9015 movement upgrade, and the sporty look, especially with the rubber strap, is noted as appealing, as is the chance to support an emerging brand. On balance, owners rate the Aigi Watches ARCTIC GMT highly for its aesthetic appeal and strong value proposition.
Owners praise the Maystone Prosperity GMT for its rich brown dial, gold-tone accents, and dual-time functionality, noting the two-tone bracelet and crown offer balanced flair. The brand's assembly in England and design ethos embodying prosperity, clarity, and resilience are also appreciated. One owner describes the Maystone Prosperity Golden Eagle GMT as an elegant, affordable GMT inspired by bird of prey colors, stating it exceeded expectations. On balance, owners rate the Maystone Prosperity GMT highly for its attractive design and dual-time functionality at an accessible price point.
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