Casio Black Resin Metal Composite Watch Strap GW-6900BC GW-6900BC-1
Casio Black Composite Link Bracelet Genuine Casio Strap for the following watch models
GW-6900BC
GW-6900BC-1
GW-6900BC-1ER
It also fits:
GW-6900GW
GW-6900A
GW-6900KG
to replace the resin strap this models had initially been equipped with