boAt · Waterproof Fitness Trackers
Garmin quatix 8 Pro AMOLED 47mm Smartwatch
No PFAS claims or disclosure; waterproof coatings likely present but unspecified.
Smartwatches typically use waterproof and water-resistant surface treatments that may contain PFAS, but neither Garmin nor boAt disclose coating chemistry. No third-party testing available.
The safe swap
Withings
Withings BeamO 3-in-1 Health MultiScan
100/100 safety
Same rubric that flunked this product. The swap earned its A.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
AMOLED display, stainless steel case, elastomer band, polymer coatings
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
The Garmin Quatix 8 Pro (note: this is a Garmin product, not boAt; boAt does not manufacture this model) combines an AMOLED display with a stainless steel case and elastomer (rubber/silicone) band. The stainless steel resists corrosion and leaching under normal use. The elastomer band is the highest-risk material for degradation and potential leaching of uncrosslinked polymers or additives, especially with sweat and heat exposure. Waterproof coatings on the case and around seals are almost certainly fluorinated (PFAS-based) to achieve water resistance, but Garmin provides no material disclosure.
The brand's record and disclosure
Garmin is a publicly traded company with established safety and quality standards, including compliance with FCC, CE, and RoHS directives. However, Garmin does not publicly disclose PFAS use in water-resistant coatings or seals, following industry-wide silence on this issue. No major product recalls specific to smartwatch toxic material release have been established in public records. The brand's transparency on hazardous substances is minimal compared to some competitors but in line with the wearables sector.
How it compares in its category
Smartwatches typically have similar construction: stainless or titanium cases, elastomer or leather bands, and sealed electronics with undisclosed fluorinated coatings. Garmin's Quatix line (marine-grade) likely has thicker waterproofing than basic fitness watches, increasing the probability of PFAS-containing seals and gaskets. Compared to medical-grade or certified low-toxicity wearables, this product offers no third-party material testing or green certifications. Most mainstream smartwatches share identical transparency gaps.
If you buy it
Replace the elastomer band every 12-18 months, especially if you sweat heavily or expose it to chlorine or saltwater, as elastomer degrades and can leach additives over time. Avoid prolonged heat exposure (saunas above 60°C, direct heat). Do not bite or chew the band, particularly if the surface is damaged. Rinse the watch and band with fresh water after saltwater or heavy sweat exposure to slow degradation. Clean seams and case back regularly to prevent bacterial growth in moisture traps.
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 waterproof coatings and seals
Smartwatch water resistance to 10 ATM or higher almost always relies on fluorinated polymer coatings (Teflon-type coating or similar) and PFAS-containing gasket sealants. Garmin does not disclose this, but it is the industry standard for achieving submersible ratings.
Elastomer band degradation and additive leaching
Silicone and rubber bands degrade from UV, sweat (salt and acids), and heat. Uncrosslinked polymer chains and softening agents (some of which may include phthalates or other plasticizers) can leach into skin over extended wear. Risk increases after 18-24 months of daily use.
Metal allergies from stainless steel case
While stainless steel is generally inert, some individuals react to nickel content (typically 6-12% in 300-series stainless). Direct prolonged contact under sweat can increase absorption risk in sensitive users.
Bacterial growth in moisture traps
Sealed watches with tight seams around the case back, band lugs, and display edges trap moisture and can harbor bacteria if not dried and cleaned regularly. No antimicrobial coating is typically present on consumer smartwatches.
Off-gassing from polymer coatings and adhesives
Electronics assembly uses epoxy potting compounds and polyurethane adhesives, but no documented off-gassing incidents or complaints specific to Garmin smartwatches exist in public records. Risk is low during normal operation since the device is sealed.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 40% 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 Fitness Trackers
Withings
BeamO 3-in-1 Health MultiScan
Medical-grade stainless steel, plastic housing, medical sensors
Medical device with inherently low PFAS risk profile.
✓Naturally PFAS-free material
Whoop
Peak Health and Fitness Wearable 12-Month Membership
silicone band, electronics, stainless steel hardware
Wearable membership with minimal PFAS risk indicators.
⚠Brand says nothing about PFAS
Whoop
MG Navigator Band
Elastomer band (silicone-based or similar)
Lower concern fitness band, but brand silence on materials limits certainty.
⚠Brand says nothing about PFAS
More waterproof fitness trackers 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.