Borealis Watch Co. Sea Storm MK2 GMTvsGlycine Combat Sub Sport
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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

Combat Sub Sport
Diameter
41.5mm
42mm
Lug-to-Lug
48.5mm
n/a
Thickness
14.2mm
10.8mm
lowest
Water Resistance
300m
highest
200m
MSRP
$415
lowest
$540
Movement
Seiko NH34
Sellita SW200-1
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 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 Glycine Men's Combat Sub Sport 42mm Automatic Watch GL0393 for its excellent value, with prices noted between $300 and $400, and consider it a strong contender for an affordable dive watch. Its wearability is frequently highlighted, particularly on smaller wrists, due to a thin 10.4mm case and inward-bending lugs. The lume is reported to be long-lasting, though one owner noted the 6 o'clock marker lume was slightly underapplied and the dial otherwise appeared perfect. Some owners wish the bezel pip had a triangle. Overall, owners rate the Glycine Men's Combat Sub Sport 42mm Automatic Watch GL0393 highly for its impressive wearability and value proposition.
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