Side by side

Borealis Watch Co. Sea Storm MK2vsSpinnaker Dumas GMT

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

Sea Storm MK2
Borealis Watch Co.Sea Storm MK2
MSRP $475
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
Sea Storm MK241.50mm
Dumas GMT44mm
Power Reserve
Sea Storm MK240h
Dumas GMT40h
Water Resistance
Sea Storm MK2300m
Dumas GMT300m
MSRP
Sea Storm MK2$475
Dumas GMT$399

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41.50mm
44mm
Thickness
14.15mm
15mm
Lug-to-Lug
48.50mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
NH38
Seiko NH34A

Pricing

1 specs
MSRP
$475
$399

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