The BRAT39B is a black denim strap made for GRAHAM Chronofighter Vintage watches. It is made of high-quality denim and has a black color. The strap is designed to fit GRAHAM Chronofighter Vintage watches.

The denim material gives the strap a classic and timeless look, making it a suitable choice for a wide range of occasions. The strap is likely to be durable and comfortable to wear, as denim is a strong and breathable material.