Chrono 42 Quartz Watch vs MEDUSAE Quartz: which is safer?
Swatch Chrono 42 Quartz Watch is our pick: better on PFAS and on the overall hazard picture.
Our pick
Swatch
Chrono 42 Quartz Watch
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Stainless steel case, mineral/plastic crystal, standard watch components
Confidence
72%
PossibleMineral crystal breakage and laceration
PossibleBattery chemical leakage (internal only)
Swatch
MEDUSAE Quartz
PFAS grade
B 85/100
Overall grade
C 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Stainless steel case, plastic/resin components, mineral glass
Confidence
72%
PossiblePlastic/resin component degradation
PossibleMineral glass shattering
PossibleBattery leakage and heavy metal exposure
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 smartwatches & fitness trackers: see the full ranking