see that WEBK and horse symbol,i found out that WEBK refers to wellesley bancorp present in america ,does it ring any bells to somebody, how casio g shock is related to WEBK
sorry i couldn't take a better image
maybe this will help
in the back side it says shock resist below the G symbol and other letterings are antimagnetic shock absorbing structure,casio st.steel back japan mov't y cased in thailand water resist 20bar