Stainless steel, Cartier, 28 mm Ballon Bleu, quartz wristwatch. Model reference W69010Z4. Silver Roman numeral signed dial and signature Cartier in Roman numeral "X", with blued steel hands and domed sapphire crystal. Stainless steel case and bracelet with hidden folding clasp. Comes with box and paperwork dated 2018. Not currently working - suggest battery replacement. Comes with two extra stainless steel links.