Citizen Watch Co and the NTT International engineering services arm of Nippon Telegraph & Telephone Corp have concluded an agreement for co-operation overseas in the manufacture and sale of embedded microprocessor Smart Cards, mainly in Europe: the cards themselves are made in Japan by Citizen, with the microcontroller supplied by Motorola Japan and supported by 3Kb of memory; the price of the reader-writer for the cards has not yet been announced; NTT International has been active for the past three years in the Smart Card business in Europe and has already made some sales of them in countries such as Finland.