Side by side
Borealis Watch Co. Sea Storm MK2vsGrand Seiko SBGJ237
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Sea Storm MK241.50mm
SBGJ23744.2mm
Power Reserve
Sea Storm MK240h
SBGJ23755h
Water Resistance
Sea Storm MK2300m
SBGJ237200m
MSRP
Sea Storm MK2$475
SBGJ237$7,600
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
41.50mm
44.2mm
Thickness
14.15mm
14.4mm
Lug-to-Lug
48.50mm
50.6mm
Lug Width
20mm
21mm
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH38
9S86
Power Reserve
40h
55h
Pricing
1 specsMSRP
$475
$7,600
Follow this matchup
Get a note when Borealis Watch Co. Sea Storm MK2 vs Grand Seiko SBGJ237 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SBGJ237Borealis Watch Co. NeptunovsGrand Seiko SBGJ237Christopher Ward C60 LympstonevsGrand Seiko SBGJ237Geckota PhalanxvsGrand Seiko SBGJ237Borealis Watch Co. Sea Storm MK2vsSpinnaker Dumas GMTBorealis Watch Co. Sea Storm MK2vsFortis Flieger F-43 Triple-GMT