Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsZelos Helmsman 3

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
Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Helmsman 340mm
Power Reserve
Sea Storm MK2 GMT40h
Helmsman 340h
Water Resistance
Sea Storm MK2 GMT300m
Helmsman 3200m
MSRP
Sea Storm MK2 GMT$415
Helmsman 3$529

Full specifications

Case

6 specs
Diameter
41.50mm
40mm
Thickness
14.15mm
11.5mm
Lug-to-Lug
48.50mm
40mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
SS - Frost
Lume
BGW9
None

Movement

1 specs
Caliber
NH34
Miyota 9015

Pricing

1 specs
MSRP
$415
$529

Follow this matchup

Get a note when Borealis Watch Co. Sea Storm MK2 GMT vs Zelos Helmsman 3 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
Vaer D5 Pacific Anacapa Auto
Vaermicro
Pacific

D5 Pacific Anacapa Auto

3 watches · 6 variantsPacific
39mm·Automatic·200m WR
$699MSRP
—Used
Boldr Marine
Boldrmicro

Marine

2 variantsRef. marine-elewana
40mm·Automatic·200m WR
$439MSRP
—Used
Henry Archer Tidevand
Henry Archermicro

Tidevand

20 variantsTidevand
40mm·Automatic·200m WR
$5,299MSRP
—Used
Geckota Phalanx
Geckotamicro

Phalanx

8 variantsPhalanx
42mm·Automatic·300m WR
$349MSRP
—Used
Vaer D5 Meridian Auto
Vaermicro
Meridian

D5 Meridian Auto

6 watches · 23 variantsMeridian
39mm·Automatic·200m WR
$679MSRP
—Used
Baltic Aquascaphe Titanium
Balticmicro

Aquascaphe Titanium

2 variantsAquascaphe Titanium
41mm·Automatic·300m WR
$788MSRP
—Used
Henry Archer Nordsø
Henry Archermicro

Nordsø

33 variantsNordsø
40mm·Automatic·200m WR
$4,999MSRP
—Used
All alternatives to the Sea Storm MK2 GMT →All alternatives to the Helmsman 3 →
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 MK2vsZelos Helmsman 3Christopher Ward C60 LympstonevsZelos Helmsman 3Boldr MarinevsZelos Helmsman 3Geckota PhalanxvsZelos Helmsman 3Borealis Watch Co. Sea Storm MK2 GMTvsVaer D5 Pacific Anacapa AutoBorealis Watch Co. Sea Storm MK2 GMTvsHenry Archer Tidevand
Edit this comparisonAdd another watchMore diver comparisonsBest Diver Watches Under $500