Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsLum-Tec RPM
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
RPM43mm
Power Reserve
Sea Storm MK2 GMT40h
RPM40h
Water Resistance
Sea Storm MK2 GMT300m
RPM50m
MSRP
Sea Storm MK2 GMT$415
RPM$495
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
41.50mm
43mm
Thickness
14.15mm
12.3mm
Lug-to-Lug
48.50mm
41mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
50m
Crystal & Dial
2 specsDial Color
Black
RPM 3
Lume
BGW9
None
Movement
2 specsCaliber
NH34
—
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$495
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