Tracking Ring vs Women's ES5245 Stainless Steel Analog Ring Watch: which is safer?
Tracking Ring is the clear pick. Fossil Women's ES5245 Stainless Steel Analog Ring Watch carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Amazon
Tracking Ring
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleNickel in stainless steel alloy
PossibleSkin irritation from prolonged contact
Fossil
Women's ES5245 Stainless Steel Analog Ring Watch
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleNickel leaching (skin contact)
PossibleWatch band material hazards (material-dependent)
PossibleMoisture and bacterial growth under caseback
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More water-resistant smart rings & bands: see the full ranking