Ronde Solo de Cartier watch, 36 mm, mechanical movement with automatic winding. Steel case, beaded crown set with a synthetic cabochon-shaped spinel. Silvered opaline dial, blued-steel sword-shaped hands, sapphire crystal, black grained calfskin interchangeable strap, steel double adjustable folding buckle. Water-resistant to 3 bar (approx. 30 meters).

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.