Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsMarathon Steel Navigator SSNAV Quartz
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 MK2 GMT41.50mm
Steel Navigator SSNAV Quartz41mm
Power Reserve
Sea Storm MK2 GMT40h
Steel Navigator SSNAV Quartz40h
Water Resistance
Sea Storm MK2 GMT300m
Steel Navigator SSNAV Quartz60m
MSRP
Sea Storm MK2 GMT$415
Steel Navigator SSNAV Quartz$1,000
Full specifications
Case
7 specsCategory
Diver
Pilot
Diameter
41.50mm
41mm
Thickness
14.15mm
11mm
Lug-to-Lug
48.50mm
48mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
60m
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
NH34
Swiss High-Torque Quartz
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$1,000
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