Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsVentus Watches Northstar
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Northstar40mm
Power Reserve
Sea Storm MK2 GMT40h
Northstar—
Water Resistance
Sea Storm MK2 GMT300m
Northstar300m
MSRP
Sea Storm MK2 GMT$415
Northstar—
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41.50mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
45mm
Lug Width
20mm
20mm
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
2 specsCaliber
NH34
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$415
—
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