Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsLongines FLAGSHIP CLASSIC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
FLAGSHIP CLASSIC26mm
Power Reserve
Sea Storm MK2 GMT40h
FLAGSHIP CLASSIC45h
Water Resistance
Sea Storm MK2 GMT300m
FLAGSHIP CLASSIC30m
MSRP
Sea Storm MK2 GMT$415
FLAGSHIP CLASSIC$1,800
Full specifications
Case
8 specsCategory
Diver
Dress
Diameter
41.50mm
26mm
Thickness
14.15mm
7.9mm
Lug-to-Lug
48.50mm
32.4mm
Lug Width
20mm
12mm
Finish
Brushed and polished
—
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
Underside
Dial Color
Black
Silver
Indices
Applied
Applied indexes
Lume
BGW9
Super-LumiNova
Movement
6 specsCaliber
NH34
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date
Pricing
1 specsMSRP
$415
$1,800
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