Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SBGH341

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Sea Storm MK2 GMT
Borealis Watch Co.Sea Storm MK2 GMT
MSRP $415
SBGH341
Grand SeikoSBGH341
MSRP $7,900

At a glance

12 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
SBGH34138mm
Power Reserve
Sea Storm MK2 GMT40h
SBGH34155h
Water Resistance
Sea Storm MK2 GMT300m
SBGH341100m
MSRP
Sea Storm MK2 GMT$415
SBGH341$7,900

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41.50mm
38mm
Thickness
14.15mm
12.9mm
Lug-to-Lug
48.50mm
44.7mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
NH34
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$415
$7,900

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