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Casio F-91W vs Casio GMW-B5000D

Casio F-91W ($20) vs Casio GMW-B5000D ($550) — side-by-side specs, weight, pros and cons to help you pick the right watch.

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Casio
F-91W
$20
Unkillable
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Casio
GMW-B5000D
$550
Verified 2026
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Spec-by-spec
SpecCasio F-91WCasio GMW-B5000D
Price$20$550
Weight21g167g
MovementQuartz—
Water ResistanceSplash—
Battery Life7 years—
Weight21g—
Pros & Cons

Casio F-91W

  • Literally $20
  • Seven-year battery
  • Instantly legible
  • Not water-resistant
  • Plastic strap cracks

Casio GMW-B5000D

  • —
Casio F-91W is the better value at $20. Both are part of our curated watch index — tap through to check current pricing.
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