Side by side

Ergon Watches MaelstromvsHelgray Poseidon Diver (Automatic)

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

Add a watch
Maelstrom
Ergon WatchesMaelstrom
Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249
Buy from Ergon Watches ↗
Buy used on eBay ↗
Buy from Helgray ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
Maelstrom40mm
Poseidon Diver (Automatic)40mm
Power Reserve
Maelstrom—
Poseidon Diver (Automatic)40h
Water Resistance
Maelstrom300m
Poseidon Diver (Automatic)300m
MSRP
Maelstrom—
Poseidon Diver (Automatic)$249

Full specifications

Case

4 specs
Category
—
Diver
Thickness
13mm
12mm
Lug-to-Lug
—
46mm
Material
Bronze
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Gradient Green
Black

Movement

2 specs
Caliber
Sellita SW-200
NH35 Warranty
Power Reserve
—
40h

Pricing

1 specs
MSRP
—
$249
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.

Eza Sealander
Ezamicro

Sealander

9 variantsRef. sealander-bronze-green
41mm·Automatic·300m WR
$1,411MSRP
—Used
Galo Super200 Dark Edition
Galomicro

Super200 Dark Edition

2 watches · 6 variantsSuper200
39mm·Automatic·200m WR
$488MSRP
—Used
Stewart Dawson Voyager S
Stewart Dawsonmicro

Voyager S

Ref. voyager-s-black-watch
41mm·Automatic·200m WR
$1,683MSRP
—Used
Vaer D5 Tropic Auto
Vaermicro
Tropic

D5 Tropic Auto

Ref. d5-tropic-usa-diver
39mm·Automatic·200m WR
$699MSRP
—Used
Selten Salvage
Seltenmicro

Salvage

7 variantsRef. salvage-bronze-red-sunset
39mm·Automatic·200m WR
—MSRP
—Used
Bremont Supermarine 300M
Bremontmicro

Supermarine 300M

8 watches · 39 variantsSupermarine
40mm·Automatic·300m WR
$3,550MSRP
—Used
Yema Diver
Yemamicro

Diver

2 watches · 9 variantsDiver
39.5mm·Automatic·200m WR
$990MSRP
—Used
Islander Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
Islandermicro
Under $50

Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302

9 watches · 9 variantsUnder $50
40mm·Automatic·200m WR
$649MSRP
—Used
All alternatives to the Maelstrom →All alternatives to the Poseidon Diver (Automatic) →
Explore the full catalog

Follow this matchup

Get a note when Ergon Watches Maelstrom vs Helgray Poseidon Diver (Automatic) gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Eza SealandervsHelgray Poseidon Diver (Automatic)Helgray Poseidon Diver (Automatic)vsStewart Dawson Voyager SHelgray Poseidon Diver (Automatic)vsSelten SalvageHelgray Poseidon Diver (Automatic)vsYema DiverErgon Watches MaelstromvsGalo Super200 Dark EditionErgon Watches MaelstromvsVaer D5 Tropic Auto
Edit this comparisonAdd another watchExplore more 39–41mm watches