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.

Case in stainless steel, beaded crown set with a synthetic spinel cabochon. Sapphire crystal, silvered opaline dial, 12 Roman numerals, blued-steel sword-shaped hands. Black round scale alligator leather strap, steel double adjustable deployant buckle. Self-winding mechanical movement with caliber Cartier 049, calendar aperture at 3 o’clock, water-resistant to 3 bars (30 meters/100 feet). Case dimensions: 42 mm diameter, 8.36 mm thick.