Rocks Pre-Owned Watch Collection Stainless Steel Quartz Watch With A Stainless Steel Bracelet Strap, 32mm Case & White Silver Coloured Dial. This Ronde Must de Cartier watch, in 32mm, features a high autonomy quartz movement. Steel case, beaded crown set with a synthetic cabochon-shaped spinel, sandblasted silvered dial, blued-steel sword-shaped hands, sapphire crystal, steel strap fitted with an interchangeability system.