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Halios Seaforth vs Steinhart Ocean One

Both are dive watches — here's how the specs differ and which to pick.

Last verified 2026-06-11 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

SpecHalios SeaforthSteinhart Ocean One
MovementAutomaticAutomatic
Water resistance200m300m
Case size41mm42mm
Crystalsapphiresapphire
StyleDiveDive
Price tierUpperMid

Which should you buy?

Where to buy

Check the Halios Seaforth price on Amazon →

Check the Steinhart Ocean One price on Amazon →

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FAQ

What's the difference between the Halios Seaforth and the Steinhart Ocean One?
Both are dive watches. The Halios Seaforth is automatic, 200m water resistance, 41mm, sapphire crystal; the Steinhart Ocean One is automatic, 300m water resistance, 42mm, sapphire crystal.

Which has better water resistance, the Halios Seaforth or the Steinhart Ocean One?
The Steinhart Ocean One, rated 300m, versus 200m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Halios Seaforth or the Steinhart Ocean One?
The Steinhart Ocean One is the lower-priced tier; the other steps up in build for more money — confirm both live prices at the retailer.

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