Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SBGX359

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
SBGX359
Grand SeikoSBGX359

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
SBGX35933mm
Power Reserve
Sea Storm MK2 GMT40h
SBGX35940h
Water Resistance
Sea Storm MK2 GMT300m
SBGX359100m
MSRP
Sea Storm MK2 GMT$415
SBGX359—

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41.50mm
33mm
Thickness
14.15mm
9.1mm
Lug-to-Lug
48.50mm
39.7mm
Lug Width
20mm
15mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
NH34
9F51
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$415
—

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