Casio · Waterproof Sports Watches
Casio Men's Black Watch
Lower concern; standard watch materials carry minimal known PFAS risk.
Casio watches typically use stainless steel cases and resin or rubber bands, materials not commonly treated with PFAS in standard production. Casio does not publicly disclose PFAS policies for this product line. No third-party testing or PFAS claims found in public sources.
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Stainless steel case, resin band
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Uncoated safe material
Bare, uncoated material (cast iron, stainless, carbon steel, or glass) with no surface treatment to contain PFAS.
The full breakdown
What it's made of and why it matters
This watch uses a stainless steel case (typically 304 or 316L grade) and a synthetic resin band. Stainless steel is chemically inert in normal wear and does not leach metals under typical wrist conditions. Resin bands are durable polymer compounds (often acetal or polyurethane-based) that do not off-gas significantly at body temperature and are designed to resist sweat and water exposure.
The brand's record and disclosure
Casio does not publish detailed material safety or PFAS disclosure statements for individual watches. The company maintains ISO 9001 quality certification and is known for manufacturing durability-focused products with long consumer satisfaction records. No major material safety recalls or controversies are documented for Casio's standard sports watch lines in public records.
How it compares in its category
Casio sports watches are positioned as entry-to-mid-tier durability products. They compare favorably to budget competitors in material consistency and longevity; premium brands often use titanium or ceramic rather than stainless steel, but offer no documented safety advantage for typical use. Resin bands are standard across this price segment and carry the same minimal hazard profile.
If you buy it
Rinse the watch with fresh water after salt water or heavy sweat exposure to prevent corrosion of any small metal components beneath the resin band. Avoid exposing it to prolonged high heat (above 60C/140F) or direct flame, as the resin band may soften. If the resin band cracks or deteriorates over years of use, replacement bands are widely available and inexpensive. No special cleaning products are needed; mild soap and a soft cloth suffice.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Stainless steel corrosion and nickel release
Low-grade stainless steel or poorly finished case edges can release trace nickel under sweat exposure, primarily a concern for individuals with nickel sensitivity. Casio's typical 304-grade steel minimizes this risk but does not eliminate it for all users.
Resin band degradation and splinter risk
Synthetic resin bands can crack or become brittle after years of UV exposure and temperature cycling. Splintering is rare but can occur if the band breaks; this is a mechanical rather than chemical hazard and managed by replacement.
Metal clasp or fastener corrosion
Small metal components (clasp, screws) in the band may be lower-grade alloy and can develop surface rust or corrosion if not rinsed after saltwater exposure. This affects function but poses minimal skin contact risk.
Additives in resin formulation
No documented presence of phthalates, BPA, or formaldehyde releasers in Casio resin watch bands. Industry standard for this category does not include these additives, though full material composition is not publicly disclosed.
Heavy metals in dial or paint
No recalls or reports of lead, cadmium, or other heavy metals in Casio watch dials or printed markings. This material class and brand have no established track record of such contamination.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More waterproof sports watches grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.