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Tissot Seastar 1000 vs Halios Seaforth

Both are dive watches in the upper tier. In short: the Tissot Seastar 1000 takes more water (300m) — both are fine for swimming, but it has more margin if you dive. The Tissot Seastar 1000 is automatic, 300m water resistance, 43mm, sapphire crystal; the Halios Seaforth is automatic, 200m water resistance, 41mm, sapphire crystal.

Last verified 2026-06-27 · specs from manufacturer data · tier = price band, confirm the live price at the retailer

SpecTissot Seastar 1000Halios Seaforth
MovementAutomaticAutomatic
Water resistance300m200m
Case size43mm41mm
Crystalsapphiresapphire
StyleDiveDive
Price tierUpperUpper

Which should you buy?

Where to buy

Tissot Seastar 1000See price on AmazonCheck price

Halios SeaforthSee price on AmazonCheck price

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FAQ

What's the difference between the Tissot Seastar 1000 and the Halios Seaforth?
Both are dive watches in the upper tier. The Tissot Seastar 1000 is automatic, 300m water resistance, 43mm, sapphire crystal; the Halios Seaforth is automatic, 200m water resistance, 41mm, sapphire crystal.

Which has better water resistance, the Tissot Seastar 1000 or the Halios Seaforth?
The Tissot Seastar 1000, rated 300m, versus 200m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Tissot Seastar 1000 or the Halios Seaforth?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-27. Copy a ready-made reference:

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