Guide Waterproof Case vs Omega X Swatch Mission To Moon Quartz: which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Sea to Summit
Guide Waterproof Case
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleVolatile organic compounds (VOCs) and off-gassing
PossiblePhthalates in plasticizer additives
PossibleBacterial or mold growth in sealed enclosure
Swatch
Omega X Swatch Mission To Moon Quartz
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleResin band VOC off-gassing
PossibleResin band degradation over time
PossibleNickel leaching from stainless steel case
Where these two actually differ
- We flag Volatile organic compounds (VOCs) and off-gassing, Phthalates in plasticizer additives and Bacterial or mold growth in sealed enclosure on the Sea to Summit and not on the Swatch.
- 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 Sea to Summit.
- The Sea to Summit is Waterproof case where the Swatch is Quartz crystal, stainless steel case, resin 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 Sea to Summit grade, at 45% 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 →
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