Ronde Solo de Cartier watch, 36 mm, quartz movement. Steel case, steel beaded crown set with a synthetic cabochon-shaped spinel, silvered opaline dial, blued-steel sword-shaped hands, sapphire crystal, interchangeable bracelet in grained black calfskin, steel double adjustable folding buckle, calendar aperture at 3 o'clock. Thickness: 6.61 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).