Tracking Ring vs Women's Stella Watch ES5319 Quartz Stretch Steel Watch Ring: which is safer?

Tracking Ring is the clear pick. Fossil Women's Stella Watch ES5319 Quartz Stretch Steel Watch Ring carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Amazon

Tracking Ring

PFAS grade

A 100/100

Overall grade

A 92/100

Verdict

Buy

Hazard flags

⚑ 2

Material

Stainless steel, titanium alloy, sapphire glass

Confidence

72%

PossibleNickel in stainless steel alloy

PossibleSkin irritation from prolonged contact

Why this gradeBuy

Fossil

Women's Stella Watch ES5319 Quartz Stretch Steel Watch Ring

PFAS grade

F 55/100

Overall grade

F 43/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Stainless steel band and case, quartz movement

Confidence

78%

PossibleNickel leaching from stainless steel

PossibleBacterial growth in band crevices

PossibleBattery corrosion and leakage

Why this grade

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 water-resistant smart rings & bands: see the full ranking