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Borealis Watch Co. Sea Storm MK2vsSheffield GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Sea Storm MK2
Borealis Watch Co.Sea Storm MK2
MSRP $475
GMT
SheffieldGMT
Buy from Borealis Watch Co. ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK241.50mm
GMT40mm
Power Reserve
Sea Storm MK240h
GMT—
Water Resistance
Sea Storm MK2300m
GMT200m
MSRP
Sea Storm MK2$475
GMT—

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41.50mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
48mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

2 specs
Caliber
NH38
Seiko NH34
Power Reserve
40h
—

Pricing

1 specs
MSRP
$475
—
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