Omega Seamaster Diver 300M vs Rolex Submariner

Both are dive watches in the premium tier — 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

Spec	Omega Seamaster Diver 300M	Rolex Submariner
Movement	Automatic	Automatic
Water resistance	300m	300m
Case size	42mm	41mm
Crystal	sapphire	sapphire
Style	Dive	Dive
Price tier	Premium	Premium

Which should you buy?

• the Omega Seamaster Diver 300M wears 42mm vs the Rolex Submariner's 41mm — choose by wrist size

Where to buy

Check the Omega Seamaster Diver 300M price on Amazon →

Check the Rolex Submariner price on Amazon →

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FAQ

What's the difference between the Omega Seamaster Diver 300M and the Rolex Submariner?
Both are dive watches in the premium tier. The Omega Seamaster Diver 300M is automatic, 300m water resistance, 42mm, sapphire crystal; the Rolex Submariner is automatic, 300m water resistance, 41mm, sapphire crystal.

Which is better value, the Omega Seamaster Diver 300M or the Rolex Submariner?
Both sit in the premium tier, so it comes down to movement, water resistance and case size — see the spec table above.

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