Cartier Santos Skeleton Series, premiering SF, creates the strongest 1:1 replica. Parameters synchronized with the authentic model: Case diameter 39.8 mm, movement Swiss Ronda 4S20 modified quartz movement, case thickness 9.08 mm, dial color skeletonized, dial shape square. SKU: Black, Silver with silver ring, Silver with rose gold ring, Silver with gold ring. Strap colors: Black, Blue, Brown, Green, made of imported calfskin. Buckle type: Double folding clasp. Case back: Transparent. Crystal: Sapphire crystal. Hands: Blue heat-treated steel hands, black model features imported green luminous material. Crown: Gem-set crown produced by ZY.