The 2005 Stylo d’Exception Pen Watch from Cartier is crafted from platinum-plated metal, glass, lacquer, mother-of-pearl, and onyx. The piece features a watch integrated into the pen cap with a mother-of-pearl dial and onyx cabochon crown. The guilloché barrel is finished in iridescent grey lacquer, complemented by platinum-plated accents. Signed and numbered Cartier No. 0769/2000, this example is number 769 from the edition of 2000.