Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsNoctua Watch Corp. Sentinel
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Sentinel42mm
Power Reserve
Sea Storm MK2 GMT40h
Sentinel—
Water Resistance
Sea Storm MK2 GMT300m
Sentinel300m
MSRP
Sea Storm MK2 GMT$415
Sentinel$429
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41.50mm
42mm
Thickness
14.15mm
15mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
22mm
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
2 specsCaliber
NH34
Seiko NH35A
Power Reserve
40h
—
Pricing
1 specsMSRP
$415
—
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