Side by side

Borealis Watch Co. Sea Storm MK2vsGrand Seiko SBGH289

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

Sea Storm MK2
Borealis Watch Co.Sea Storm MK2
MSRP $475
SBGH289
Grand SeikoSBGH289
MSRP $7,700

At a glance

10 of 29 specs differ
Diameter
Sea Storm MK241.50mm
SBGH28943.8mm
Power Reserve
Sea Storm MK240h
SBGH28955h
Water Resistance
Sea Storm MK2300m
SBGH289200m
MSRP
Sea Storm MK2$475
SBGH289$7,700

Full specifications

Case

5 specs
Diameter
41.50mm
43.8mm
Thickness
14.15mm
14.7mm
Lug-to-Lug
48.50mm
51mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
NH38
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$475
$7,700

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