Borealis Watch Co. Sea Storm MK2 GMTvsZRC 1904 MN64 -Metal

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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

MN64 -Metal
Diameter
41.5mm
41.5mm
Lug-to-Lug
48.5mm
n/a
Thickness
14.2mm
14mm
lowest
Water Resistance
300m
1000m
highest
Power Reserve
n/a
56h
MSRP
$415
lowest
$3,690
Movement
Seiko NH34
Sellita SW300-1
Case
4 specsCrystal & Dial
1 specsMovement
2 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.
The ZRC 1904 MN64 -Metal is a 41.5mm titanium dive watch with a Sellita SW300-1 automatic movement, offering 1000m water resistance and a crown positioned at 6 o'clock. Reviewers note its functional, brutalist design refined with modern materials. One review states the Sellita SW300-1 movement is regulated to approximately +/- 5 seconds per day. Overall, reviewers highlight the ZRC 1904 MN64 -Metal's refined brutalist aesthetic and modern material execution.
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