One genuine Casio G-Shock watch band screw in gunmetal finish made for the following models:

G9300      G9300ER

 G9300GB     G9300GY

 G9300NV      G9330A

 GW9300     GW9300ER

GW9300GB      GW9300GY

GW9300SR        GW9330A

GW9330B        GW9400BTJ

GW9400NV     GW9400SRJ

GW9430EJ