Chanel J12, a ladies very fine ceramic, diamond and automatic wristwatch with sweep centre seconds and bracelet, circa 2010, Manufacturer: Chanel, case: black ceramic, stainless steel back secured by 8 screws, case no.: O. N. 41406, model name: J12, material: ceramic, stainless steel and diamonds, dial: black, diamond-set numerals, calibre: automatic jewelled movement, Bracelet/Strap: Chanel black ceramic strap, clasp / buckle: Chanel double folding clasp, diameter: 39 mm, signed: case, dial and movement signed