Is Tissot PFAS-free?
Across 8 graded products, Tissot averages F (61/100). On disclosure, the brand says nothing publicly about PFAS. 3 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Tissot C or better, safest first
Tissot
Men's Seastar 1000 Quartz GMT Watch
Stainless steel case, sapphire crystal, quartz movement
Lower PFAS concern, traditional watch materials rarely require PFAS treatments, but no brand disclosure available.
✓Bare metal or glass, no coating at all
Tissot
Seastar 1000 Quartz GMT PRX POWERMATIC 80
Stainless steel case, sapphire crystal, synthetic rubber strap
Lower PFAS concern for the watch itself; strap material warrants caution if synthetic rubber source unknown.
✓Bare metal or glass, no coating at all
Tissot
Men's PRX Watch
Stainless steel case, sapphire crystal, standard watch components
Lower PFAS concern, traditional watch metals pose minimal risk, but brand transparency is absent.
✓Bare metal or glass, no coating at all
Graded and flagged D and F, we’d swap these
Tissot
Seastar 1000 Men's Quartz Chronograph watch
Stainless steel case, mineral/synthetic crystal, rubber strap
Lower concern, traditional watch materials carry minimal PFAS risk, but water-resistance seals remain unspecified.
⚠Waterproof or stain-proof treatment
Tissot
Men's Seastar 1000 Chronograph Automatic Diver's Watch
Stainless steel case, sapphire crystal, possibly water-resistant coating on seals
Lower concern for PFAS; standard watch materials and seals rarely documented to contain PFAS, but brand offers no transparency.
⚠Waterproof or stain-proof treatment
Tissot
Men's T-Touch Connect Solar Chronograph Watch
Stainless steel case, sapphire crystal, synthetic rubber/elastomer strap, unspecified water-resistance coatings
Moderate concern due to waterproof treatments and unspecified coatings; no public PFAS disclosure from Tissot.
⚠Waterproof or stain-proof treatment
Tissot
Men's Seastar 1000 Rubber Quartz Watch
Stainless steel case, rubber strap, quartz movement, mineral crystal
Lower-concern watch with standard materials; waterproofing may use PFAS but not documented as confirmed.
⚠Waterproof or stain-proof treatment
Tissot
Men's Seastar 1000 Quartz Watch
Stainless steel case, crystal glass, quartz movement, elastomer/rubber strap
Lower PFAS concern; core materials (steel, glass, quartz) are inherently PFAS-risk-low, but waterproof gaskets/seals remain undisclosed.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →