Casio G-Shock 20th Anniversary Catalog. This is a commemorative catalog published by Casio in 2003, introducing successive generations of G-Shocks. Size is 190 x 263 mm. It has been carefully stored and there are no noticeable stains or scratches. Thank you for visiting! Please be sure to check the voltage for electrical appliances. The degree of battery depletion is unknown. If you have a defective item or wish to return an item, please contact me before “case open”. We do not mark the value of a product below that value or mark an item as a “gift”. US and international government regulations prohibit such conduct.