Aigi Watches Arctic GMTvsSignum Cuda 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

Cuda GMT
Diameter
41mm
42.5mm
Lug-to-Lug
46mm
lowest
49.9mm
Thickness
11.9mm
lowest
13.4mm
Water Resistance
200m
200m
Power Reserve
41h
n/a
MSRP
$560
$499
lowest
Movement
Seiko NH34
Seiko NH34
Case
5 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 widely praise the Signum Cuda GMT for its full lume dial, with one source noting "outrageous amounts of lume" that glows for hours, outperforming many more expensive watches. The thermally blued meteorite dial is described as stunning, and the Lapis Lazuli dial is also a point of admiration. The 42.5mm titanium case with a scratch-resistant coating is appreciated for its fit and finish. However, some owners criticize the hands' lume for being significantly weaker than the dial's. One owner reported crystal fogging during kayaking, suggesting a failure of the 200m water resistance, and found the brand unresponsive regarding warranty. The bezel action was initially stiff for one user but improved after oiling. The Signum Cuda GMT is available for around $500. Overall, owners rate the Signum Cuda GMT highly for its exceptional lume and unique dial options, though concerns exist regarding hand lume and water resistance.
The full lume dial is a significant strength, providing impressive illumination. Its titanium construction contributes to its toughness and value at the price point. Reviewers noted a contrast issue with the second hand's legibility.
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