Metal: Platinum PVD Plated on Stainless SteelChain Width: 5.3mmLink Length: 13.5mmLink Width: 5.3mmS/MTotal Chain Length: 7.2inchWeight: 5.82g M/LTotal Chain Length: 8.6inchWeight: 6.95g Water-Resistant 316L stainless steel Anti-tarnish Sweatproof Hypoallergenic Product Code: SST-S-B12-NS-S