Side by side
Borealis Watch Co. Sea Storm MK2vsSheffield 1A
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 MK241.50mm
1A40mm
Power Reserve
Sea Storm MK240h
1A—
Water Resistance
Sea Storm MK2300m
1A200m
MSRP
Sea Storm MK2$475
1A$223
Full specifications
Case
5 specsDiameter
41.50mm
40mm
Thickness
14.15mm
12.8mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
White/Blue
Lume
BGW9
Swiss blue lume
Movement
2 specsCaliber
NH38
Seiko NH35A
Power Reserve
40h
—
Pricing
1 specsMSRP
$475
$223
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