Side by side
Borealis Watch Co. Sea Storm MK2vsGrand Seiko SBGH281
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Sea Storm MK241.50mm
SBGH28140mm
Power Reserve
Sea Storm MK240h
SBGH28155h
Water Resistance
Sea Storm MK2300m
SBGH281100m
MSRP
Sea Storm MK2$475
SBGH281$6,300
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
41.50mm
40mm
Thickness
14.15mm
13.3mm
Lug-to-Lug
48.50mm
46.2mm
Lug Width
20mm
19mm
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH38
9S85
Power Reserve
40h
55h
Pricing
1 specsMSRP
$475
$6,300
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