Borealis Watch Co. Sea Storm MK2 GMTvsCWC Arctic Radar Automatic Diver
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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.

Sea Storm MK2 GMT

Arctic Radar Automatic Diver
Diameter
41.5mm
41mm
Lug-to-Lug
48.5mm
47mm
lowest
Thickness
14.2mm
n/a
Water Resistance
300m
300m
MSRP
$415
lowest
$1,333
Movement
Seiko NH34
Sellita SW200-1
Case
3 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Borealis Sea Storm MK2 GMT is noted for its retro aesthetic, featuring modern components, a black and white bezel, and an orange GMT hand. Owners highlight its ample lume and a well-made bracelet. The watch is described as being a relatively thick, yet surprisingly wearable, 41.5mm case size, with a date window that integrates smoothly into the dial. Overall, owners rate the Borealis Sea Storm MK2 GMT highly for its retro vibe and modern execution at its price point.
Owners widely praise the CWC Arctic Radar Automatic Diver Watch for its timeless design and reliable, "grab and go" nature. However, the community is split on its value proposition, with some finding the pricing steep given the Sellita SW200-1 movement, while others consider it a good value compared to more expensive alternatives. Fixed spring bars are noted as a point of criticism. On balance, owners rate the CWC Arctic Radar Automatic Diver Watch highly for its proven formula and beloved case design, despite mixed opinions on its price.
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