Genuine Casio replacement resin band in black. 

Made for the following model(s):

G-1000-1A G-1000-7A G-1000H-1A G-1000H-9A G-1010-1A G-1100B-1A G-1200B-1A G-1250B-1A G-1500-1A G-1500B-5A GW-2000-1A GW-2000B-1A GW-2500-1A GW-2500B-1A GW-2500B-5A GW-3000B-1A GW-3500B-1A GW-3500B-1A GW-3500B-1A2