Borealis Watch Co. Sea Storm MK2 GMTvsZelos Blacktip 41
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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

Blacktip 41
Diameter
41.5mm
41mm
Lug-to-Lug
48.5mm
n/a
Thickness
14.2mm
12mm
lowest
Water Resistance
300m
highest
200m
MSRP
$415
lowest
$599
Movement
Seiko NH34
Miyota 9015
Case
5 specsCrystal & Dial
3 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 Zelos Blacktip 41 for its exceptional quality and value, citing its titanium case, sapphire crystal, and well-executed grained dials with degrade effects. Reviewers highlight its strong ergonomics, noting the well-proportioned 41mm case at 11.5mm thick and a 47.5mm lug-to-lug. The Miyota 9015 movement is appreciated for its near-COSC accuracy and the rotor's audible spin, while the two-tone lume and lume-filled crown are also noted as standout features. The bezel action is described as having firm clicks with a slight return. Overall, owners and reviewers rate the Zelos Blacktip 41 highly for its impressive finishing and features at its price point.
The Zelos Blacktip 41 offers excellent value at its price point. Reviewers noted the meteorite dial as a unique feature.
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