Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsCWC G40 Sonar Quartz Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
G40 Sonar Quartz Watch40mm
Power Reserve
Sea Storm MK2 GMT40h
G40 Sonar Quartz Watch40h
Water Resistance
Sea Storm MK2 GMT300m
G40 Sonar Quartz Watch200m
MSRP
Sea Storm MK2 GMT$415
G40 Sonar Quartz Watch$333
Full specifications
Case
6 specsCategory
Diver
Field
Diameter
41.50mm
40mm
Thickness
14.15mm
12mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Black
CWC G40 Sonar Quartz Watch
Lume
BGW9
Super-LumiNova
Movement
1 specsCaliber
NH34
—
Pricing
1 specsMSRP
$415
$333
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