lug2lug
BrowseBrandsCompareDiscussionCommunity WatchesMy Watches
BrowseBrandsCompareDiscussionCommunity WatchesMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Best dress watches·Diver under $5,000·Chronograph under $5,000·Sport under $5,000·GMT under $5,000·Field under $1,000·Best tool watches·Pilot under $2,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·What should I buy?·Value retention rankings·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Now on iPhone
Download on theApp Store
TermsPrivacyCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Home/Browse/Borealis Watch Co./Sea Storm MK2 GMT
Borealis Watch Co. Sea Storm MK2 GMT
Click to inspect
Visit →

Borealis Watch Co. Sea Storm MK2 GMT

DiverMicrobrand
Sea Storm MK2 GMT
Sea Storm MK2
Sea Storm MK2 GMT
9 Variants
Lume:BGW9
Buy from Borealis Watch Co. ↗
Buy used on eBay ↗
Retail MSRPIn stock
$415
Low
—
Avg
—
High
—
Static data
Track this price
Buy from Borealis Watch Co.
Buy used on eBay
Alternatives
Case
41.50mm
Power Reserve
—
Movement
Automatic
Water Resistance
300m
Crystal
Sapphire
01

Case Dimensions

Diameter41.50mm
Thickness—
Lug-to-Lug—
Lug Width—
02

Case Build

MaterialStainless Steel
Water Resistance300m
03

Crystal & Dial

CrystalSapphire
LumeBGW9
04

Movement

Caliber
Seiko NH34
TypeAutomatic
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05

Design Language

Dial styleMatte
Bezel24-hour (GMT)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026

Photos

In a nutshell

The Borealis Watch Co. Sea Storm MK2 GMT is an automatic diver watch, with a 41.50mm stainless steel case, 14.15mm thick, powered by the Seiko NH34 movement. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $415.

Popular comparisons

The matchups people make with the Borealis Watch Co. Sea Storm MK2 GMT most — open one to see it side by side.

Borealis Watch Co. Sea Storm MK2 GMTvsLinde Werdelin Oktopus III→
Across the community

No community threads about this watch yet. Start the first one →