Swatch · Waterproof Smartphone Cases
Swatch Chrono 42 Quartz Watch
Lower concern. Standard watch materials pose minimal PFAS risk.
This Swatch quartz watch uses standard materials like stainless steel and mineral crystal with no known PFAS treatments. Swatch won't say, but material composition suggests lower risk.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Stainless steel case, mineral/plastic crystal, standard watch components
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What Swatch Chrono 42 Quartz Watch is made of, ingredients and materials
The Chrono 42 uses a stainless steel case, which is inert and does not leach metals under normal wear conditions. The mineral crystal (glass) is chemically stable and does not degrade from body sweat or everyday moisture. Standard quartz watch movements contain no consumer-facing materials of concern. Overall, the material palette is among the lowest-risk for wearable products.
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.
Mineral crystal breakage and laceration
Mineral glass is more prone to chipping or cracking than sapphire crystal under impact; shards can cause minor cuts if the watch face breaks, though this is a mechanical rather than chemical hazard.
Battery chemical leakage (internal only)
Standard quartz watch batteries (SR626, similar) are sealed within the case; leakage into the movement is possible if the battery is old or improperly installed, but this does not pose direct consumer contact risk unless the watch is opened by an unqualified person.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Metal skin irritation from stainless steel case
Stainless steel is highly resistant to corrosion and does not leach nickel in significant amounts under normal skin contact; individuals with severe nickel sensitivity should avoid prolonged wear but reactions are rare with quality stainless steel watches.
Adhesive or sealant off-gassing from case assembly
Standard watch case adhesives and gasket materials are not known to off-gas volatile organic compounds in measurable amounts during normal wear; no reports of odor or respiratory irritation linked to Swatch watches.
The full breakdown
The brand's record and disclosure
Swatch publishes limited material safety or chemical disclosure documentation for individual watch models; the company does not maintain a public database of hazardous substance testing results specific to watchmaking. No major product recalls or chemical safety controversies are on record for Swatch watches related to skin contact, leaching, or toxic emissions. The brand does not actively promote restricted substance compliance beyond standard Swiss/EU watch manufacturing norms.
How it compares in its category
Quartz watches as a category carry minimal chemical hazard compared to larger consumer products like cookware or cosmetics. Swatch watches are positioned in the mass-market, affordable segment and use conventional materials (stainless steel, mineral glass) that are standard across most brands at this price tier. No meaningful safety differentiation exists between Swatch and competitors like Timex or Citizen in material composition.
If you buy it
Clean the case and band periodically with mild soap and water to remove sweat and dirt buildup; do not soak for extended periods or expose to harsh chemicals or extreme heat above 60 degrees Celsius. Replace the mineral crystal if it cracks, as sharp edges pose injury risk. Battery replacement is recommended at an authorized service center. The stainless steel and plastic elements are durable for 5-10 years of normal use without material degradation.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Swatch has made none
Formulations change between production runs, so check the current label. How we grade.
More waterproof smartphone cases 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.