Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SBGH349
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
SBGH34940mm
Power Reserve
Sea Storm MK2 GMT40h
SBGH34955h
Water Resistance
Sea Storm MK2 GMT300m
SBGH349100m
MSRP
Sea Storm MK2 GMT$415
SBGH349$7,800
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
41.50mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
46.6mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH34
9S85
Power Reserve
40h
55h
Pricing
1 specsMSRP
$415
$7,800
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