Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SLGW004

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
SLGW004
Grand SeikoSLGW004
MSRP $30,000

At a glance

13 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
SLGW00438.8mm
Power Reserve
Sea Storm MK2 GMT40h
SLGW00480h
Water Resistance
Sea Storm MK2 GMT300m
SLGW00430m
MSRP
Sea Storm MK2 GMT$415
SLGW004$30,000

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41.50mm
38.8mm
Thickness
14.15mm
10.4mm
Lug-to-Lug
48.50mm
43.7mm
Lug Width
20mm
19mm
Material
Stainless Steel
Gold
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
NH34
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$415
$30,000

Follow this matchup

Get a note when Borealis Watch Co. Sea Storm MK2 GMT vs Grand Seiko SLGW004 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Christopher Ward C60 Lympstone
Christopher Wardmicro

C60 Lympstone

6 watches · 9 variantsC60
40mm·Automatic·600m WR
$1,615MSRP
—Used
anOrdain Model 1 (Group Buy)
anOrdainmicro

Model 1 (Group Buy)

2 watches · 2 variantsModel 1 (Group Buy)
38mm·Manual
$1,905MSRP
—Used
Boldr Marine
Boldrmicro

Marine

2 variantsRef. marine-elewana
40mm·Automatic·200m WR
$439MSRP
—Used
Geckota Phalanx
Geckotamicro

Phalanx

8 variantsPhalanx
42mm·Automatic·300m WR
$349MSRP
—Used
anOrdain The Pink Dial Project
anOrdainmicro
Special Editions

The Pink Dial Project

Ref. pink-dial-project
38mm·Manual
$1,905MSRP
—Used
Baltic Aquascaphe Titanium
Balticmicro

Aquascaphe Titanium

2 variantsAquascaphe Titanium
41mm·Automatic·300m WR
$788MSRP
—Used
Vario Empire Art Nouveau Handwound
Variomicro

Empire Art Nouveau Handwound

2 watches · 10 variantsEmpire
38mm·Manual
$888MSRP
—Used
Borealis Watch Co. Neptuno
Borealis Watch Co.micro

Neptuno

Ref. borealis-neptuno-red-fade-to-black-dial-no-date-nh38-automatic-movement-300m-diver-watch
40.00mm·Automatic·300m WR
$390MSRP
—Used
All alternatives to the Sea Storm MK2 GMT →All alternatives to the SLGW004 →
Explore the full catalog
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Borealis Watch Co. Sea Storm MK2vsGrand Seiko SLGW004Christopher Ward C60 LympstonevsGrand Seiko SLGW004Boldr MarinevsGrand Seiko SLGW004Geckota PhalanxvsGrand Seiko SLGW004Borealis Watch Co. Sea Storm MK2 GMTvsanOrdain Model 1 (Group Buy)Borealis Watch Co. Sea Storm MK2 GMTvsanOrdain Model 1 Precious Metal
Edit this comparisonAdd another watch