Borealis Watch Co. Sea Storm MK2 GMTvsSeiko Prospex Sea
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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
Prospex Sea
Diameter
41.5mm
41.3mm
Lug-to-Lug
48.5mm
48.2mm
lowest
Thickness
14.2mm
12.5mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
72h
MSRP
$415
lowest
$1,100
Movement
Seiko NH34
Seiko 6R55
Case
3 specsCrystal & Dial
2 specsMovement
3 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 and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.
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