Casio Genuine Replacement Strap Band for G Shock Watch Model # Gd-100sc-1 Gd-100hc-1 Gd-110-1 Ga-120b-1 Ga-110hc-1 Casio Genuine Replacement Strap/band for G Shock Watch Model #Ga110hc-1 Ga120b-1 Gd100hc-1 Gd100sc-1