Side by side
Borealis Watch Co. Sea Storm MK2vsSeiko Prospex Sea Save the Ocean Special Edition
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
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Sea Storm MK240h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Sea Storm MK2300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Sea Storm MK2$475
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
5 specsDiameter
41.50mm
43.8mm
Thickness
14.15mm
12.8mm
Lug-to-Lug
48.50mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
NH38
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$475
$650
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