Side by side
Borealis Watch Co. Sea Storm MK2vsGrand Seiko SBGX363
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
SBGX36332.3mm
Power Reserve
Sea Storm MK240h
SBGX36340h
Water Resistance
Sea Storm MK2300m
SBGX363100m
MSRP
Sea Storm MK2$475
SBGX363$3,600
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
41.50mm
32.3mm
Thickness
14.15mm
9mm
Lug-to-Lug
48.50mm
39mm
Lug Width
20mm
15mm
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH38
9F51
Type
Automatic
Quartz
Pricing
1 specsMSRP
$475
$3,600
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