12mm Flex-On Ladies Black Rubber Waterproof Sports Strap Watch Band

This vintage Flex-On branded watch strap appears to be designed for 16mm lug widths.The strap features a black alligator or crocodile grain pattern with a glossy finish.It includes a silver-toned buckle and is marked as “JAPAN” on the underside. New old stock in case. Has two large screws/pins. I don’t know what watch this originally goes to.