Seiko vs Casio: which brand is more reliable?

Casio (Reliable) comes out ahead of Seiko (Generally good) by our formula. The comparison uses CPSC recalls, Amazon owner ratings, court records and company records.

Side by side

SeikoCasio
VerdictGenerally goodReliable
CPSC recalls, last 3 years00
CPSC recalls, all years02
Most recent recallNone on record2007-03-20: Casio® Inc. Announces Recall of Electronic Keyboards Due to Fire Hazard
Owner satisfaction (Amazon)MediumHigh
Product lawsuits on recordNone foundNone found
Company behind the brandSeiko GroupCasio (no parent company on record)
Trademark owner (USPTO)Seiko Holdings Kabushiki Kaisha (Japan)Casio Keisanki Kabushiki Kaisha (Japan)
Made in (recalled products)No recall recordsChina 2 (of 2 recalls listing a country)
Customer serviceNot verified yetOfficial support page

Recall counts are not adjusted for sales volume. How the verdict works

Shop Seiko and Casio on Amazon

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FAQ

Is Seiko better than Casio?

Casio (Reliable) comes out ahead of Seiko (Generally good) by our formula.

Which has more recalls, Seiko or Casio?

In the last 3 years the CPSC lists 0 for Seiko and 0 for Casio; across all years, 0 and 2.

Are Seiko and Casio the same company?

No shared owner on record: Seiko trademark owner Seiko Holdings Kabushiki Kaisha (Japan), Casio trademark owner Casio Keisanki Kabushiki Kaisha (Japan).

Facts checked 2026-10-16.

How the verdict works

One formula for every brand, built from public records. We do not test products.

Owner satisfaction

Ratings of the brand's most-rated products on Amazon. High: weighted average of at least 4.5 and no more than 10% of products below 4.0. Medium: at least 4.2 and no more than 30%. Low: everything else.

Safety record

CPSC recalls in the last 36 months: none is Clean, one or two is Some, three or more is Frequent. Counts are not adjusted for sales volume.

Owners / SafetyCleanSomeFrequent
HighReliableGenerally goodMixed
MediumGenerally goodMixedUse caution
LowMixedUse cautionUse caution

Full methodology