Ronde Solo de Cartier watch, 42 mm, mechanical movement with automatic winding. Steel case, beaded crown set with a synthetic cabochon-shaped spinel, blue dial, polished steel sword-shaped hands, sapphire crystal, steel bracelet, calendar aperture at 3 o'clock. Case thickness: 8. 36 mm. Water-resistant to 3 bar (approx. 30 meters/100 feet).The Ronde Solo preserves the perfectly pitched classical elegance and signature Cartier features of the Ronde Louis Cartier watch that serves as its inspiration: Roman numerals, blue sword-shaped hands and rail-track minute circle. The Ronde Solo watch features a steel version of the bracelet. Explore the full Cartier range here.