Side by side
Borealis Watch Co. Sea Storm MK2vsGrand Seiko SLGC009
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 MK241.50mm
SLGC00943mm
Power Reserve
Sea Storm MK240h
SLGC00972h
Water Resistance
Sea Storm MK2300m
SLGC009200m
MSRP
Sea Storm MK2$475
SLGC009$16,900
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
41.50mm
43mm
Thickness
14.15mm
15.6mm
Lug-to-Lug
48.50mm
50mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH38
9SC5
Power Reserve
40h
72h
Pricing
1 specsMSRP
$475
$16,900
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