Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsZelos Helica

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
Helica
ZelosHelica
MSRP $499

At a glance

10 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Helica39mm
Power Reserve
Sea Storm MK2 GMT40h
Helica40h
Water Resistance
Sea Storm MK2 GMT300m
Helica100m
MSRP
Sea Storm MK2 GMT$415
Helica$499

Full specifications

Case

6 specs
Diameter
41.50mm
39mm
Thickness
14.15mm
10.5mm
Lug-to-Lug
48.50mm
39mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
39 - Wave MOP
Lume
BGW9
None

Movement

1 specs
Caliber
NH34
Miyota 9015

Pricing

1 specs
MSRP
$415
$499

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