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Casio G-Shock GMW-B5000D vs Citizen Series 8 NB6004

Both are everyday / casual watches in the upper 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

SpecCasio G-Shock GMW-B5000DCitizen Series 8 NB6004
MovementSolar / light-poweredAutomatic
Water resistance200m100m
Case size43mm40mm
Crystalsapphiresapphire
StyleEveryday / casualEveryday / casual
Price tierUpperUpper

Which should you buy?

Where to buy

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

Check the Citizen Series 8 NB6004 price on Amazon →

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FAQ

What's the difference between the Casio G-Shock GMW-B5000D and the Citizen Series 8 NB6004?
Both are everyday / casual watches in the upper tier. The Casio G-Shock GMW-B5000D is solar / light-powered, 200m water resistance, 43mm, sapphire crystal; the Citizen Series 8 NB6004 is automatic, 100m water resistance, 40mm, sapphire crystal.

Which has better water resistance, the Casio G-Shock GMW-B5000D or the Citizen Series 8 NB6004?
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 Casio G-Shock GMW-B5000D or the Citizen Series 8 NB6004?
Both sit in the upper tier, so it comes down to movement, water resistance and case size — see the spec table above.

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