Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSheffield Deep Gray 300

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

Sea Storm MK2 GMT
Borealis Watch Co.Sea Storm MK2 GMT
MSRP $415
Deep Gray 300
SheffieldDeep Gray 300
MSRP $258

At a glance

9 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Deep Gray 30042mm
Power Reserve
Sea Storm MK2 GMT40h
Deep Gray 30040h
Water Resistance
Sea Storm MK2 GMT300m
Deep Gray 300300m
MSRP
Sea Storm MK2 GMT$415
Deep Gray 300$258

Full specifications

Case

5 specs
Category
Diver
Diameter
41.50mm
42mm
Thickness
14.15mm
13.8mm
Lug-to-Lug
48.50mm
52mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
Dial Color
Black
Lume
BGW9
None

Movement

1 specs
Caliber
NH34
Seiko NH35

Pricing

1 specs
MSRP
$415
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