Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsSheffield Deep Gray 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
Deep Gray 30042mm
Power Reserve
Sea Storm MK2 GMT40h
Deep Gray 30040h
Water Resistance
Sea Storm MK2 GMT300m
Deep Gray 300300m
MSRP
Sea Storm MK2 GMT$415
Deep Gray 300$258
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41.50mm
42mm
Thickness
14.15mm
13.8mm
Lug-to-Lug
48.50mm
52mm
Lug Width
20mm
22mm
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
1 specsCaliber
NH34
Seiko NH35
Pricing
1 specsMSRP
$415
—
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Borealis Watch Co. Sea Storm MK2 GMT vs Sheffield Deep Gray 300 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Borealis Watch Co. Sea Storm MK2vsSheffield Deep Gray 300Christopher Ward C60 LympstonevsSheffield Deep Gray 300Boldr MarinevsSheffield Deep Gray 300Geckota PhalanxvsSheffield Deep Gray 300Borealis Watch Co. Sea Storm MK2 GMTvsNoctua Watch Corp. PD-1Borealis Watch Co. Sea Storm MK2 GMTvsUgly Watch Co 300mD-RedG












