The blue spinel crown shows different colors in different light and has a mysterious beauty. The Cartier London RondeLonuis series quartz watch comes in two sizes and two colors. It inherits the classic round shape and has a smoother case with classic Roman numeral time scale dial design. The dial diameter is 36mm and the dial thickness is 7.18mm. The Swiss quartz movement RondeLonuis series watch inherits the classic round shape, with a smoother case and the classic Roman numeral dial design. The watch has a new look and is eye-catching. The new dial has a more plump and round bezel. The silver sandblasted dial is equipped with a minute and second orbital minute ring. It has sword-shaped blue steel hands and a cabochon sapphire crown. It is equipped with Cartier 157 special movement.