White shell, color 50 TW first launch to create the strongest 1:1 top-level replica, Cartier Santos skeleton series parameters are synchronized with the original watch diameter 39.8 mm movement Swiss Ronda 4S20 modified mechanical movement case thickness 9.08 mm dial color Hollow Dial Shape Square SKU Black Silver Silver Ring Silver Rose Ring Silver Gold Ring Strap Color Black Blue (Imported Calfskin) Buckle Type Double Folding Buckle Back Transparent Lens Sapphire Mirror Pointer Blue Burnt Steel Blue Pointer Black Luminous The imported green shiny crown is inlaid with gemstones.