Zone C410 vs Water Resistant Watch Model 8R500 - Men: which is safer?

These two grade almost identically. Pick on price and preference; neither has a PFAS edge.

LifeTrak Zone C410

Lifetrak

Zone C410

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

plastic body, elastomer band

Confidence

72%

PossiblePhthalate plasticizers in elastomer band

PossibleMicroplastic shedding from band degradation

TomTom Water Resistant Watch Model 8R500 - Men

TomTom

Water Resistant Watch Model 8R500 - Men

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

On watch case and band

Confidence

35%

PossiblePolymer case and band degradation

PossibleBacterial or mold growth in seals and band

Where these two actually differ

  • We flag Phthalate plasticizers in elastomer band and Microplastic shedding from band degradation on the Lifetrak and not on the TomTom.
  • We flag Polymer case and band degradation and Bacterial or mold growth in seals and band on the TomTom and not on the Lifetrak.
  • The Lifetrak is plastic body, elastomer band where the TomTom is On watch case and 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 TomTom grade, at 35% confidence against 72%, because it discloses less.

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 fitness trackers & cases: see the full ranking