Ronde Louis Cartier 40 mm watch, Manufacture mechanical movement with automatic winding caliber 1904-PS MC, 18-karat pink gold case, pearly crown set with a cabochon sapphire, flinqué silver dial, Roman and Arabic numerals, "pomme" hands "Blued steel, sapphire crystal, semi-opaque brown alligator strap, 18-karat pink gold tongue buckle, small seconds at 6 o'clock and date at 3 o'clock, sapphire crystal caseback, 9.2 mm thick , water resistant to 3 bar (30 meters).