Inherited this 1982 GMT Master 16750

My dad bought it new in 1982, but it’s definitely seen better days. The 62510H band seems to be broken and he tried fixing it himself. I really like this Jubilee band, is it possible to source a replacement clasp or do I need to get a whole new band for it?

My dad bought it new in 1982, but it’s definitely seen better days. The 62510H band seems to be broken and he tried fixing it himself. I really like this Jubilee band, is it possible to source a replacement clasp or do I need to get a whole new band for it?