Ronde Solo de Cartier watch, 36 mm, quartz movement. Case in 18K yellow gold and steel, 18K yellow gold beaded crown set with a synthetic cabochon-shaped spinel, silvered opaline dial, Roman and Arabic numerals, blued-steel sword-shaped hands, sapphire crystal, leather strap with round scales, 18K yellow gold ardillon buckle, calendar aperture at 3 o'clock. Case dimensions: diameter 36 mm, thickness 6.61 mm. Water-resistant to 3 bar (approx. 30 meters/100 feet).