Men's Estate 22mm Brown Leather and Silicone Watch Strap vs Galaxy Watch Ultra Marine Band: which is safer?
Fossil Men's Estate 22mm Brown Leather and Silicone Watch Strap is the clear pick. Samsung Galaxy Watch Ultra Marine Band carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Fossil
Men's Estate 22mm Brown Leather and Silicone Watch Strap
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleHeavy metals and formaldehyde in leather tanning and finishing
PossibleAllergic contact dermatitis from leather or dyes
PossibleChromium (VI) in tanned leather
Samsung
Galaxy Watch Ultra Marine Band
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleUnknown PFAS in water-resistant coating
PossibleCoating degradation and leachate
ReportedBacterial or mold colonization from retained moisture
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 smartwatch bands: see the full ranking