Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsRolex Submariner Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Submariner Date41mm
Power Reserve
Sea Storm MK2 GMT40h
Submariner Date70h
Water Resistance
Sea Storm MK2 GMT300m
Submariner Date300m
MSRP
Sea Storm MK2 GMT$415
Submariner Date$11,350
Full specifications
Case
7 specsDiameter
41.50mm
41mm
Thickness
14.15mm
—
Lug-to-Lug
48.50mm
—
Lug Width
20mm
—
Material
Stainless Steel
Oystersteel
Finish
Brushed and polished
18 kt yellow gold
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown
Crystal & Dial
4 specsAR Coating
Inner
—
Dial Color
Black
Blue
Indices
Applied
Index
Lume
BGW9
Chromalight
Movement
4 specsCaliber
Seiko NH34
3235
Power Reserve
40h
70h
Jewels
25
31
Complications
None
Date
Pricing
1 specsMSRP
$415
$11,350
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