Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSeiko 5KX

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
5KX
Seiko5KX
MSRP $350

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
5KX42.5mm
Power Reserve
Sea Storm MK2 GMT40h
5KX41h
Water Resistance
Sea Storm MK2 GMT300m
5KX100m
MSRP
Sea Storm MK2 GMT$415
5KX$350

Full specifications

Case

5 specs
Diameter
41.50mm
42.5mm
Thickness
14.15mm
13.4mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
NH34
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$350

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