Fossil · Water-Resistant Smart Rings & Bands
Fossil Women's Stella Watch
Low risk watch with no PFAS-prone materials in its design.
This stainless steel dress watch has a glass crystal and leather or fabric strap that typically don't harbor PFAS chemicals. The manufacturer hasn't shared transparency information, though the materials themselves carry low risk.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Stainless steel case, mineral or hardened glass crystal, leather or fabric strap
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Fossil Women's Stella Watch is made of, ingredients and materials
The Stella uses a stainless steel case, which is chemically inert and does not leach metals under normal wear. The mineral or hardened glass crystal resists scratching but can shatter if dropped; neither material releases hazardous compounds into skin contact. The strap material (leather or fabric) is the primary chemical concern, leather tanning uses chromium salts and formaldehyde-based processes, while fabric straps may contain dyes, finishes, or synthetic coatings that off-gas minimally but warrant brief air-out before first wear.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Chromium in leather tanning residues
If the Stella uses a leather strap, chromium(III) salts from tanning may remain on the surface in trace amounts. Skin contact over months is unlikely to cause harm because leather acts as a barrier and dermal absorption is low, but individuals with severe leather sensitivity should test on a small area first or opt for the fabric strap variant.
Formaldehyde / VOCs
Leather tanning and fabric strap backing may include formaldehyde-based resins or adhesives used to fix dyes and finishes. Initial off-gassing is minimal given the small surface area and passive design, but airing out the strap for 24 hours before first wear reduces any volatile exposure.
Source, ATSDR ↗Azo dyes in synthetic fabric straps
If the Stella includes a fabric strap option, low-cost inks and dyes may contain azo compounds that can be allergenic in sensitive individuals. The risk is low because the dye is fixed to fiber and dermal migration is minimal, but people with contact dermatitis should request color fastness info from the retailer.
Glass crystal breakage and sharp edges
Mineral and hardened glass crystals are not chemically hazardous but can crack or shatter with impact, creating sharp fragments that may cause minor cuts. This is a mechanical hazard rather than chemical; inspect the crystal regularly and have it replaced professionally if cracked to avoid skin contact with edges.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Nickel release from stainless steel in sensitive individuals
High-grade stainless steel (typically 316L used in watches) has very low nickel leaching and is considered hypoallergenic. No recalls or reports specific to Fossil watches suggest nickel sensitivity is not a concern, but individuals with nickel allergy can request nickel-test certification from Fossil or the retailer.
How is this PFAS grade calculated?
The brand's record and disclosure
Fossil does not publicly disclose chemical or PFAS policies for watch components, which is typical for fashion watchmakers but represents a gap in transparency. The company has not faced major recalls or safety controversies related to watches in publicly available records. Fossil operates in the fashion accessory space where regulatory scrutiny is lower than consumer electronics or cookware, so independent testing of their watch materials is rare.
How it compares in its category
Fashion watches like the Stella are among the lowest-risk wearables because they use passive materials (metal, glass, natural fibers) rather than active electronics, coatings, or heating elements. Compared to smartwatches with batteries and coatings, or budget fashion watches with unknown plating, the Stella's stainless steel and glass construction is straightforward and unlikely to degrade or off-gas. Strap choice (leather vs. synthetic fabric) is the main variable; leather straps carry slightly higher chromium tanning residue risk than untreated cotton, but dermal absorption is negligible in short daily contact.
If you buy it
Wipe down the leather or fabric strap with a dry cloth on first use to remove any residual tanning chemicals or dyes; this takes 30 seconds and minimizes any initial off-gassing. Avoid prolonged contact with water on leather straps, as moisture can mobilize chromium salts, though typical hand-washing exposure is not a concern. If the crystal cracks or the strap develops mold or persistent odor, replace the component; stainless steel cases rarely require maintenance beyond occasional gentle cleaning.
What is not known about PFAS in this product?
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Fossil has made none
Formulations change between production runs, so check the current label. How we grade.
More water-resistant smart rings & 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.