Speed of Heartbeat Tourbillon: Mysterious Excellence .This Cartier Drive de Cartier tourbillon watch is equipped with the 9452MC floating tourbillon movement and proudly bears the Poin?on de Geneve quality hallmark. The elegantly operating tourbillon exudes an air of mystery, while the dial is adorned with white electroplated twisted engraving. The black transfer Roman numeral hour markers stand out vibrantly against the frosted silver hollow grid.In the early morning, sunlight streams in, casting dappled reflections through the hollow grid's black and white mesh onto the intricately carved surface resembling frost. Through the sapphire crystal, one can faintly see the sunburst effect, as if it is conveying a sense of mystery to you. The sword-shaped blue steel hands are positioned at the center of the small seconds dial, adding a touch of charm to the silver-gray dial.Dimensions: 41.5 x 13.8 mm.