Basel, Switzerland—Actress Sharon Stone will star in a new advertising campaign for Dior Watches’ Christal watch.

Dior designer John Galliano, creator of the Christal watch, served as the art director for the ad, while fashion photographer Mario Testino photographed it.

Launched in 2005, the Christal watch features sapphire crystals as design elements on the bezel, bracelet and crown. The newest Christal watch is a 38-millimeter chronograph featuring pavé diamonds and black lacquer.