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Casio F-91W vs Casio G-Shock DW-6900

Both are everyday / casual watches in the entry tier — here's how the specs differ and which to pick.

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

SpecCasio F-91WCasio G-Shock DW-6900
MovementQuartzQuartz
Water resistance30m200m
Case size34mm50mm
Crystalacrylicmineral
StyleEveryday / casualEveryday / casual
Price tierEntryEntry

Which should you buy?

Where to buy

Check the Casio F-91W price on Amazon →

Check the Casio G-Shock DW-6900 price on Amazon →

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FAQ

What's the difference between the Casio F-91W and the Casio G-Shock DW-6900?
Both are everyday / casual watches in the entry tier. The Casio F-91W is quartz, 30m water resistance, 34mm, acrylic crystal; the Casio G-Shock DW-6900 is quartz, 200m water resistance, 50mm, mineral crystal.

Which has better water resistance, the Casio F-91W or the Casio G-Shock DW-6900?
The Casio G-Shock DW-6900, rated 200m, versus 30m on the other. Pick 100m or higher for swimming and 200m+ for diving.

Which is better value, the Casio F-91W or the Casio G-Shock DW-6900?
Both sit in the entry 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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