Authentic Chanel J12. Case: Black Ceramic. Strap/Band: Black Ceramic with Hidden Deployment Clasp. Bezel: Uni-Directional Rotating. Dial: Black Lacquered, featuring Silver Tone Hands and Arabic Numeral Hour Markers along with minute markers on the outer rim. Movement: Battery Operated Quartz. Functions Displayed: Hours, Minutes, Seconds. Crystal: Scratch Resistant Sapphire. Case Shape: Round. Case Size: 33mm. Case Thickness: 12.94mm. Case Back: Solid. Water Resistance: 200 meters / 660 feet. Includes 2 Year WatchMaxx Warranty.