Black ceramic, steel 33 x 12,94 mm Black-lacquered dial with white ceramic indicators Steel unidirectional rotating bezel Steel screw-down crown with black highly resistant ceramic cabochon Black highly resistant ceramic bracelet and steel triple-folding buckle Self-winding mechanical movement, 50h Caliber 12.2 Hours, minutes, seconds Care Instructions: CHANEL fine jewelry pieces are created using exceptional gemstones and precious metals selected for their aesthetic quality and rarity. To preserve their brilliance, it is recommended that you handle them with care. It is best to avoid wearing your jewelry when washing your hands, during activities requiring the use of corrosive products and when practicing sports. It is also preferable to avoid exposing jewelry to extreme heat, and when wearing perfume or make-up while wearing jewelry.CHANEL Style # H5696