Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SLGA001

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
SLGA001
Grand SeikoSLGA001
MSRP $11,100

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
SLGA00146.9mm
Power Reserve
Sea Storm MK2 GMT40h
SLGA001120h
Water Resistance
Sea Storm MK2 GMT300m
SLGA001100m
MSRP
Sea Storm MK2 GMT$415
SLGA001$11,100

Full specifications

Case

6 specs
Diameter
41.50mm
46.9mm
Thickness
14.15mm
16mm
Lug-to-Lug
48.50mm
50.8mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

3 specs
Caliber
NH34
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$415
$11,100

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