Timex · Waterproof Smartwatch Bands
Timex Tx247781w Genuine 18mm Expedition Olive Textile Leather Watch
Textile watch strap likely water-treated; PFAS use unclear, vendor silent.
This watch combines textile and leather with water-resistant treatment typical of expedition watches. Timex discloses nothing about PFAS in materials; treatment chemicals are unspecified.
The safe swap
Timex
Timex 12-16mm Hook & Loop Fast Wrap Replacement Watch Band Strap Adult
85/100 safety
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
textile (olive) with leather, water-resistant treatment
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
This Expedition model uses a woven nylon or polyester textile strap (olive color) bonded to genuine leather backing, typical of field/outdoor watch designs. The textile is likely treated for water resistance, which often involves Teflon-family coating coatings (PFAS compounds) or silicone-based finishes to shed moisture without degrading the weave. The leather backing adds durability but may contain tanning residues (chromium or vegetable tannins depending on processing). No formaldehyde resin-based finishes are standard for watch straps, unlike some synthetic apparel textiles.
The brand's record and disclosure
Timex has not published a formal PFAS disclosure policy or sustainability material sourcing statement. The company manufactures across multiple Asian facilities and does not separately certify individual watch strap materials for chemical content. Timex has no known major recalls tied to strap chemical hazards in established public records. As a mid-tier consumer watch brand, chemical transparency is not a marketing priority.
How it compares in its category
Textile watch straps from major brands (Seiko, Citizen, Fossil, Timex) all use similar woven synthetic or hybrid materials with water-resistance treatments; none disclose PFAS avoidance. This Timex model is standard for its price point and use case. Leather-backed straps reduce microplastic shedding compared to full-synthetic alternatives, and the reinforced construction means longer usable life (less frequent replacement = lower cumulative exposure).
If you buy it
Rinse the strap periodically with cool water to remove salt and debris that can degrade fibers or leather. Avoid prolonged submersion despite water resistance ratings; dry it fully after exposure. Replace the strap if the weave develops tears or leather begins cracking, as this signals coating breakdown. Store in a cool, dry environment; direct heat or prolonged sun exposure can degrade both textile and bonded finishes.
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.”
PFAS in water-resistant textile coating
Olive nylon/polyester textile strap likely treated with Teflon-family coating or fluorocarbon water repellent (water-repellent coating finish common in outdoor textiles). Timex does not disclose treatment chemistry; exposure is dermal contact only during wear, not ingestion.
Leather tanning residues (chromium or heavy metals)
Genuine leather backing may contain chromium VI or aluminum-based tanning agents depending on supplier processing. Dermal contact with damp or sweaty wrist skin could theoretically mobilize traces, but established risk is low for watch straps vs. larger leather apparel.
Dye migration or azo dyes in textile
Olive color in commercial watch textiles rarely involves restricted azo dyes (prohibited in EU under REACH for apparel), and strap contact area is small. No public recalls or complaints tied to color bleeding from Timex straps.
Microplastic shedding from synthetic fibers
Nylon or polyester fibers shed microplastics when abraded by friction or washing. Watch strap shedding is minimal due to tight weave and low wash frequency, but wear on the wrist can gradually fragment fibers.
Coating degradation releasing mobilized residues
Water-resistant treatment breaks down over time with use and cleaning; degraded coating particles may be ingested if hand-to-mouth contact occurs during wear. Replacement every 2-3 years of heavy outdoor use mitigates this.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% 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.
Safer alternatives in Waterproof Smartwatch Bands
Timex
12-16mm Hook & Loop Fast Wrap Replacement Watch Band Strap Adult
Fabric strap with hook and loop fasteners
Lower concern fabric watch band, no high-risk treatment indicators documented.
⚠Brand says nothing about PFAS
Timex
Rubber watchband for TIMEX watch T2N720 TW2T76300 T2N721 Series Men
Rubber (elastomer, uncoated)
Lower concern. Bare rubber unlikely to contain PFAS intentionally.
⚠Brand says nothing about PFAS
Timex
T77601 Expedition Leather and Canvas Watch Strap (18mm)
leather and canvas
Lower concern. Leather and canvas unlikely to contain PFAS.
⚠Brand says nothing about PFAS
More waterproof smartwatch bands 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.