CASIO- replacement strap 18mm black synthetic (10390035) for PRG-510, PRW-2500 etc.
Watch strap for Casio AW-E10, AW-E10G, rubber, black
Casio Stahl Armband Bracelet 18mm Schöner Zustand Vintage for $93 for sale from a Trusted Seller on Chrono24
Full Ceramic Watch Band 16mm 18mm 20mm + Link Remover for Citizen Seiko Casio Men Women Butterfly Buckle Strap Wrist Bracelet|watch band 16mm|ceramic watch bandswatch band - AliExpress
18MM Rubber Sport Watch Replacement Band for Casio G Shock