Cash crusaders selling **** watches as real

On Wednesday 2018 02 07 I went cash crusaders randburg store in Johannesburg and I bought a G-shock watch GA100 I was told by the sales lady that it was an original only to find out its **** I'm very dissapointed in the customer service and integrity of this store the manageress wants me to return the watch for a refund or pay in the difference for another G shock watch which I clearly can't afford this is the worst purchase I've ever made in my life