THB Santos hollow belt quick release series first release parameters are synchronized with genuine products. Table 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 The circle strap is made of imported Italian calf leather, the buckle is made of Cartier's original buckle, the back is a transparent lens, sapphire mirror hands, blue burnt steel blue hands, black luminous model, an imported green luminous crown, gem-set crown.