Cartier Santos Skeleton Series, debuting the strongest 1:1 replica by SF. Parameters synchronized with the authentic model: case diameter 39.8mm, movement Swiss Ronda 4S20 modified quartz movement, case thickness 9.08mm, dial color skeletonized, dial shape square. SKU options: 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. Transparent case back. Sapphire crystal. Hands: blue heat-treated steel hands, the black version features imported green luminous material. Crown: gem-set crown, produced by ZY.