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Sinn 556 I vs Rolex Explorer

Both are field / explorer 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

SpecSinn 556 IRolex Explorer
MovementAutomaticAutomatic
Water resistance200m100m
Case size38.5mm40mm
Crystalsapphiresapphire
StyleField / explorerField / explorer
Price tierUpperPremium

Which should you buy?

Where to buy

Check the Sinn 556 I price on Amazon →

Check the Rolex Explorer price on Amazon →

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FAQ

What's the difference between the Sinn 556 I and the Rolex Explorer?
Both are field / explorer watches. The Sinn 556 I is automatic, 200m water resistance, 38.5mm, sapphire crystal; the Rolex Explorer is automatic, 100m water resistance, 40mm, sapphire crystal.

Which has better water resistance, the Sinn 556 I or the Rolex Explorer?
The Sinn 556 I, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Sinn 556 I or the Rolex Explorer?
The Sinn 556 I 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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