Men's Explorist HR Gen 4 Smartwatch FTW vs BeamO 3-in-1 Health MultiScan: which is safer?
Withings BeamO 3-in-1 Health MultiScan is the clear pick. Fossil Men's Explorist HR Gen 4 Smartwatch FTW carries a failing PFAS grade, and we never recommend buying a failing product.
Fossil
Men's Explorist HR Gen 4 Smartwatch FTW
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleWater-resistant coating composition (Teflon-family coating or siloxane risk)
PossibleElastomer strap degradation and microparticle release
PossibleGlass screen durability and contamination
Our pick
Withings
BeamO 3-in-1 Health MultiScan
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleStainless steel corrosion and nickel release
PossibleBacterial growth on sensor surfaces
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 waterproof fitness trackers: see the full ranking