Aigi Watches Arctic GMTvsSeiko Seiko 5 Sports SKX series
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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

Seiko 5 Sports SKX series
Diameter
41mm
42.5mm
Lug-to-Lug
46mm
46mm
Thickness
11.9mm
lowest
13.6mm
Water Resistance
200m
highest
100m
Power Reserve
41h
41h
MSRP
$560
$495
lowest
Movement
Seiko NH34
Seiko 4R34
Case
4 specsCrystal & Dial
3 specsMovement
2 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 Seiko 5 Sports SKX series for its iconic, tough, and rugged dive watch design, timeless styling, and tool-like nature, with many finding its build quality and finishing superior to alternatives. The comfortable jubilee bracelet is frequently cited as a positive wearability feature. Accuracy with the 4R34 movement is a "luck of the draw," with specs allowing +/-40 seconds per day, though many owners report +/-5 to 10 seconds. Some owners experienced issues like scratched crystals, failed springbars, or misaligned bezels and hands. The Seiko 5 Sports SKX series is seen as a decent watch, readily available under £200, but not a serious tool watch like its predecessor due to lacking a screw-down crown, bezel pip, and ISO rating. Overall, owners rate the Seiko 5 Sports SKX series highly for its iconic design and value, despite some lacking modern features.
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