Side by side
Borealis Watch Co. Sea Storm MK2vsGrand Seiko SBGA211
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Sea Storm MK241.50mm
SBGA21141mm
Power Reserve
Sea Storm MK240h
SBGA21172h
Water Resistance
Sea Storm MK2300m
SBGA211100m
MSRP
Sea Storm MK2$475
SBGA211$6,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
41.50mm
41mm
Thickness
14.15mm
12.5mm
Lug-to-Lug
48.50mm
49mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
3 specsCaliber
NH38
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$475
$6,900
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