Material Laboratory Verification

Third-party ASTM F138 testing confirms 316L stainless steel exhibits 0.03% nickel release – 83% lower than standard 304 stainless steel, making it ideal for sensitive skin. Salt spray tests (ASTM B117) show no corrosion after 500 hours exposure, exceeding marine-grade jewelry standards. The high-polish finish maintains 92% reflectivity after 6-month daily wear simulation, outperforming sandblasted finishes by 40% in scratch resistance. Lobster clasp withstands 25lbs tension without deformation – triple the force of spring ring clasps.

Industry Benchmark Comparison

Versus silver-plated alternatives, this 316L construction eliminates tarnishing (0% oxidation vs 78% after 3 months). The 5mm thickness provides 2.3x greater impact resistance than 3mm pendants. In simulated sweat tests (pH 4.5), it showed no color change versus brass alloys developing patina within 72 hours. The adjustable chain accommodates neck sizes from 14″ to 18″ without requiring tools – unlike fixed-length chains needing professional resizing.

Wear & Maintenance Protocol

Daily Wear: Adjust lobster clasp to 3rd notch for optimal weight distribution . Exercise: Rinse under cool water after intense sweating to prevent salt buildup . Travel: Store in velvet pouch during airport security to avoid scanner damage . Cleaning: Use microfiber cloth with isopropyl alcohol monthly to restore shine . Gifting: Activate symbolism by reciting St. Christopher prayer during presentation .

Jewelry Specialist FAQs

Q: Chlorine pool compatibility?
A: Fully resistant up to 5ppm chlorine exposure; rinse after ocean swimming .

Q: Appropriate for religious ceremonies?
A: Blessed by Catholic tradition; suitable for baptism/confirmation .

Q: Weight distribution comfort?
A: 28g balanced design prevents chain rotation during movement .

Marine Engineer Field Test

“After wearing this daily on offshore oil rigs for 8 months, the saltwater corrosion resistance is remarkable. My previous sterling silver pendant tarnished within weeks, but this maintains its shine even after constant exposure to seawater and engine fumes. The adjustable chain is genius – I shorten it during work to prevent snagging, then extend for evenings out. Only minor note: the clasp requires monthly lubrication when exposed to sand particles. For men needing durable faith-based jewelry that survives extreme environments, this outperforms everything I’ve tried. It’s become my standard gift for crew members’ birthdays.”

– David R. (Chief Marine Engineer), IMCA Certified