Cartier, DRIVE DE CARTIER, model: WSNM0015, automatic mechanical, Watch diameter: 40×41 mm, the signature cushion-shaped (barrel-shaped) case, made of stainless steel, with smooth and rounded lines, combining elegance and masculinity. The silver-plated engraved dial with Roman numeral hour markers, blue steel hands, a date window at 3 o 'clock and an independent small seconds sub-dial at 6 o 'clock are typical "two and a half hands" designs. The crown is set with synthetic spinel and paired with a black alligator leather strap. The overall style is understated and luxurious, suitable for both formal and business occasions.