Casio Watchparts WVA-M640,WVA-M650,WVQ-M410.Cover End Piece Pair w/Spring Bars parts The watch is powered by

The watch is powered by a Caliber V115 solar powered quartz movement that recharges when exposed to light

Black Rubber Watchband -Strap

but is the only alternative for the original (discontinued) OC-500

Seiko Watch Band Back Plate 7N43-8A89

When buckled and unstretched

Casio Watchparts WVA-M640,WVA-M650,WVQ-M410.Cover End Piece Pair w/Spring Bars parts The watch is powered byCasio Watchparts WVA M640,WVA M650,WVQ M410. Cover End Piece Pair w Spring Bars Casio original parts made only for the models listed above. These cover end pieces attach to bracelet and to the case of the watch. See pics. Casio model numbers are engraved on the back of each watch and are typically "letters numbers". * NOTE: This listing is for the parts ONLY, the watch is for illustrative purposes.