Casio Black Diver Watch Band Genuine Factory Casio Replacement Watch Band to fit Waveceptor WV-57H Black strap is 12.5mm wide, 10mm at center notch to fit lugs Casio part number 10092505 Model Numbers: WV-57HA / WV-57HY / WV-57HE / WV-57HU European Standard length of 8.00 inches