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Seiko 5 Sport SRPD vs Casio G-Shock GMW-B5000D

Both are everyday / casual 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

SpecSeiko 5 Sport SRPDCasio G-Shock GMW-B5000D
MovementAutomaticSolar / light-powered
Water resistance100m200m
Case size42.5mm43mm
Crystalhardlexsapphire
StyleEveryday / casualEveryday / casual
Price tierMidUpper

Which should you buy?

Where to buy

Check the Seiko 5 Sport SRPD price on Amazon →

Check the Casio G-Shock GMW-B5000D price on Amazon →

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FAQ

What's the difference between the Seiko 5 Sport SRPD and the Casio G-Shock GMW-B5000D?
Both are everyday / casual watches. The Seiko 5 Sport SRPD is automatic, 100m water resistance, 42.5mm, hardlex crystal; the Casio G-Shock GMW-B5000D is solar / light-powered, 200m water resistance, 43mm, sapphire crystal.

Which has better water resistance, the Seiko 5 Sport SRPD or the Casio G-Shock GMW-B5000D?
The Casio G-Shock GMW-B5000D, rated 200m, versus 100m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Seiko 5 Sport SRPD or the Casio G-Shock GMW-B5000D?
The Seiko 5 Sport SRPD 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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