Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SLGC009

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
SLGC009
Grand SeikoSLGC009
MSRP $16,900

At a glance

12 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
SLGC00943mm
Power Reserve
Sea Storm MK2 GMT40h
SLGC00972h
Water Resistance
Sea Storm MK2 GMT300m
SLGC009200m
MSRP
Sea Storm MK2 GMT$415
SLGC009$16,900

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41.50mm
43mm
Thickness
14.15mm
15.6mm
Lug-to-Lug
48.50mm
50mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
NH34
9SC5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$415
$16,900

Follow this matchup

Get a note when Borealis Watch Co. Sea Storm MK2 GMT vs Grand Seiko SLGC009 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
Fortis Novonaut N-42
Fortismicro

Novonaut N-42

4 variantsNovonaut
42mm·Automatic·300m WR
$5,230MSRP
—Used
Boldr Marine
Boldrmicro

Marine

2 variantsRef. marine-elewana
40mm·Automatic·200m WR
$439MSRP
—Used
Bremont Supermarine Chrono
Bremontmicro

Supermarine Chrono

8 watches · 39 variantsSupermarine
43mm·Automatic·300m WR
$6,850MSRP
—Used
Geckota Phalanx
Geckotamicro

Phalanx

8 variantsPhalanx
42mm·Automatic·300m WR
$349MSRP
—Used
Ikepod Hemipod HE10
Ikepodmicro

Hemipod HE10

Ref. 251-hemipod-day-date-blue
44mm·Automatic
$5,832MSRP
—Used
Baltic Aquascaphe Titanium
Balticmicro

Aquascaphe Titanium

2 variantsAquascaphe Titanium
41mm·Automatic·300m WR
$788MSRP
—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 SLGC009 →
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 SLGC009Christopher Ward C60 LympstonevsGrand Seiko SLGC009Boldr MarinevsGrand Seiko SLGC009Geckota PhalanxvsGrand Seiko SLGC009Borealis Watch Co. Sea Storm MK2 GMTvsFortis Novonaut N-42Borealis Watch Co. Sea Storm MK2 GMTvsBremont Supermarine Chrono
Edit this comparisonAdd another watch