Medium white gold with black lacquer rings and diamonds across the outer ellipse; quartz; strap. Cartier Hypnose: concentric oval case with flowing double‑ellipse silhouette, often with black lacquer rings emphasising the shape; silvered or mother‑of‑pearl dial with Roman numerals; blued hands; sapphire cabochon crown; sapphire crystal; approx. 30 m water resistance; satin or alligator strap (bracelet on select high‑jewellery pieces).