Brand: Chanel, model: Premiere, colorway: Black Dial with Diamond Strap, case material: 18K White Gold studded with 1637 diamonds, bracelet material: 18K White Gold with 52 diamond-set clasp and Onyx Cabochon bezel. Automatic quartz movement powered by a battery, rectangular shape measuring 22mm x 16mm in size and 6.2mm thick, solid case back. Water resistant up to 30 meters (approx. 100 feet).