Omega X Swatch Mission To Moon Quartz vs Watch S5 Smartwatch: which is safer?
Xiaomi Watch S5 Smartwatch is our pick, better on PFAS and on the overall hazard picture.
Swatch
Omega X Swatch Mission To Moon Quartz
PFAS grade
Excellent 85/100
Overall grade
Good 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Quartz crystal, stainless steel case, resin band
Confidence
78%
PossibleResin band VOC off-gassing
PossibleResin band degradation over time
PossibleNickel leaching from stainless steel case
Our pick
Xiaomi
Watch S5 Smartwatch
PFAS grade
Excellent 85/100
Overall grade
Excellent 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Stainless steel case, plastic composite band
Confidence
35%
PossiblePlastic band degradation and skin contact
PossibleBacterial colonization in band crevices
Where these two actually differ
- We flag Resin band VOC off-gassing, Resin band degradation over time and Nickel leaching from stainless steel case on the Swatch and not on the Xiaomi.
- We flag Plastic band degradation and skin contact and Bacterial colonization in band crevices on the Xiaomi and not on the Swatch.
- The Swatch is Quartz crystal, stainless steel case, resin band where the Xiaomi is Stainless steel case, plastic composite band, 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 Xiaomi grade, at 35% confidence against 78%, 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 →
More waterproof smartphone cases, see the full ranking