Side by side
Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SLGC001
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Sea Storm MK2 GMT41.50mm
SLGC00143.2mm
Power Reserve
Sea Storm MK2 GMT40h
SLGC00172h
Water Resistance
Sea Storm MK2 GMT300m
SLGC001100m
MSRP
Sea Storm MK2 GMT$415
SLGC001$14,700
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
41.50mm
43.2mm
Thickness
14.15mm
15.3mm
Lug-to-Lug
48.50mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH34
9SC5
Power Reserve
40h
72h
Pricing
1 specsMSRP
$415
$14,700
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