Watch M40 Smartwatch with Silicone Band vs Classic Plus Stainless Steel Magnetic Closure WatchBand for Apple Watch: which is safer?
Moto Watch M40 Smartwatch with Silicone Band is our pick, better on PFAS and on the overall hazard picture.
Our pick
Moto
Watch M40 Smartwatch with Silicone Band
PFAS grade
Excellent 85/100
Overall grade
Good 67/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Silicone band
Confidence
35%
PossibleSilicone band degradation and microfragmentation
ReportedBacterial and fungal growth on band
PossibleAllergens in silicone or dyes
X-Doria
Classic Plus Stainless Steel Magnetic Closure WatchBand for Apple Watch
PFAS grade
Excellent 85/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 1
Material
Stainless steel, magnetic closure
Confidence
82%
PossibleNickel leaching from stainless steel
Where these two actually differ
- We flag Silicone band degradation and microfragmentation, Bacterial and fungal growth on band and Allergens in silicone or dyes on the Moto and not on the X-Doria.
- We flag Nickel leaching from stainless steel on the X-Doria and not on the Moto.
- The Moto is Silicone band where the X-Doria is Stainless steel, magnetic closure, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
- We are less certain about the Moto grade, at 35% confidence against 82%, because it discloses less.
Both products run through the same public rubric, which covers 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 →
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