The Ronde Solo preserves the perfectly pitched classical elegance and signature Cartier features of the Ronde de Cartier watch that serves as its inspiration: Roman numerals, blue sword-shaped hands, winding mechanism crowned with a sapphire and rail-track minute circle.

Steel case, steel circular-grained crown set with a synthetic spinel cabochon, sapphire crystal, silver opaline dial, Roman and Arabic numerals, sword-shaped blued-steel hands, round scales alligator-skin strap, steel double adjustable deployant buckle, Cartier caliber 690, quartz movement, water resistant to 30 meters / 100 feet. Case dimensions: 29.5 mm diameter, 6.35 mm thick.