Side by side
Borealis Watch Co. Sea Storm MK2vsSeiko King Seiko KSK
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
King Seiko KSK38.3mm
Power Reserve
Sea Storm MK240h
King Seiko KSK72h
Water Resistance
Sea Storm MK2300m
King Seiko KSK100m
MSRP
Sea Storm MK2$475
King Seiko KSK$2,000
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
41.50mm
38.3mm
Thickness
14.15mm
11.7mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
19mm
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on Hands
Movement
3 specsCaliber
NH38
6R55
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$475
$2,000
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