Even R1 Smart Ring vs Promaster Sea Silicone Watch Band: which is safer?

Even R1 Smart Ring is our pick, better on PFAS and on the overall hazard picture.

Our pick

Even R1 Smart Ring

Even Realities

Even R1 Smart Ring

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

titanium, stainless steel, sapphire crystal

Confidence

72%

PossibleBand material variability

PossibleSkin sensitization from sweat pooling

Citizen Promaster Sea Silicone Watch Band

Citizen

Promaster Sea Silicone Watch Band

PFAS grade

Excellent 85/100

Overall grade

Good 59/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Silicone watch band with water resistance

Confidence

62%

PossibleWaterproof coating composition (unspecified Teflon-family coating or similar)

PossibleSkin irritation or allergic response to silicone or additives

PossibleCoating degradation and microparticle release over time

Where these two actually differ

  • We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Citizen.
  • We flag Waterproof coating composition (unspecified fluoropolymer or similar), Skin irritation or allergic response to silicone or additives and Coating degradation and microparticle release over time on the Citizen and not on the Even Realities.
  • The Even Realities is titanium, stainless steel, sapphire crystal where the Citizen is Silicone watch band with water resistance, 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.

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