Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsMatterhorn Watch Co. DiveMaster 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
DiveMaster 30041mm
Power Reserve
Sea Storm MK2 GMT40h
DiveMaster 30042h
Water Resistance
Sea Storm MK2 GMT300m
DiveMaster 300300m
MSRP
Sea Storm MK2 GMT$415
DiveMaster 300$401
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41.50mm
41mm
Thickness
14.15mm
12.8mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
—
Movement
2 specsCaliber
NH34
Miyota 9015
Power Reserve
40h
42h
Pricing
1 specsMSRP
$415
—
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