Compatible with: Smart watch series 1,2,3,4,5,6. Smart watch strap: Add ultimate style to your smart watch with this impressive gold-plated strap. Gold plated: Plated with hand polished gold, with an authentication card certificate. Design: Interlinked bracelet design with belt adjusting tool. Features:With a base material of stainless steel, it is hypoallergenic with no lead or nickel. Sizes: Choose 38mm, 40mm, 42mm or 44mm. Gold-Plated Smart Watch Strap | Silver | Living Social