Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsRolex Rolex Deepsea
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
Rolex Deepsea44mm
Power Reserve
Sea Storm MK2 GMT40h
Rolex Deepsea70h
Water Resistance
Sea Storm MK2 GMT300m
Rolex Deepsea3,900m
MSRP
Sea Storm MK2 GMT$415
Rolex Deepsea$15,550
Full specifications
Case
8 specsDiameter
41.50mm
44mm
Thickness
14.15mm
5.5mm
Lug-to-Lug
48.50mm
—
Lug Width
20mm
—
Material
Stainless Steel
Oystersteel
Finish
Brushed and polished
—
Water Resistance
300m
3900m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve
Crystal & Dial
3 specsAR Coating
Inner
—
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
$15,550
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