Side by side
Borealis Watch Co. Sea Storm MK2vsSeiko 5KX
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
5KX42.5mm
Power Reserve
Sea Storm MK240h
5KX41h
Water Resistance
Sea Storm MK2300m
5KX100m
MSRP
Sea Storm MK2$475
5KX$350
Full specifications
Case
5 specsDiameter
41.50mm
42.5mm
Thickness
14.15mm
13.4mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Lume
BGW9
LumiBrite on hands and index(es)
Movement
3 specsCaliber
NH38
4R36
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$475
$350
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