Cartier Santos 100 Ref 2878 a stainless steel wrist watch circa 2013. Dial: silvered, black Roman numerals. Calibre: automatic, fully jewelled. Case: brushed and polished cushion form, eight screws to bezel, back secured by eight screws. Case number: 868969MX. Closure: black leather strap. Dimensions: 38 mm diameter. Signed: case, dial and movement. Accessories: none.