Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsEcho/Neutra Cristallo Professional Diver 500m
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 MK2 GMT41.50mm
Cristallo Professional Diver 500m42mm
Power Reserve
Sea Storm MK2 GMT40h
Cristallo Professional Diver 500m56h
Water Resistance
Sea Storm MK2 GMT300m
Cristallo Professional Diver 500m500m
MSRP
Sea Storm MK2 GMT$415
Cristallo Professional Diver 500m$1,450
Full specifications
Case
6 specsDiameter
41.50mm
42mm
Thickness
14.15mm
13.9mm
Lug-to-Lug
48.50mm
49mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel with Helium Valve
Water Resistance
300m
500m
Crystal & Dial
2 specsDial Color
Black
Blue
Lume
BGW9
Superluminova BGW9
Movement
4 specsCaliber
NH34
Sellita SW279 elaboré
Power Reserve
40h
56h
Jewels
25
31
Complications
None
Moonphase, Date, Small seconds
Pricing
1 specsMSRP
$415
$1,450
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