Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSeiko 5 Sports SKX series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
5 Sports SKX series42.5mm
Power Reserve
Sea Storm MK2 GMT40h
5 Sports SKX series41h
Water Resistance
Sea Storm MK2 GMT300m
5 Sports SKX series100m
MSRP
Sea Storm MK2 GMT$415
5 Sports SKX series$495
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
41.50mm
42.5mm
Thickness
14.15mm
13.6mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Lume
BGW9
LumiBrite on hands and index(es)
Movement
3 specsCaliber
NH34
4R34
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$415
$495
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