Gasket / O-Ring Material: Rubber
This Casio Gasket / O-Ring Also Fits the Following Model Numbers:
GS-1050-1A GS-1050B-5A GS-1000BJ-1A GS-1000BJ-1A9 GS-1000BJ-9A GS-1000D-1A GS-1000J-1A GS-1000J-2A GS-1000RB-1A GS-1001-1A GS-300-8AV GS-300BW-1A GS-300BW-7A GS-300C-1BV GS-300C-2BV
**WATCH BAND MODEL NUMBERS ARE ENGRAVED ON THE CASE BACK WHICH IS FOUND ON THE BACK OF THE WATCH**