This is the original strap that came with the Santos-Dumont LM purchased from an authorized dealer. I bought a different strap at the time of purchase and replaced it, so this one has been stored unused. - Brand: Cartier - Made in: France Gray alligator strap New - Size: Approximately 17mm x 83mm Approximately 18mm x 114mm Santos-Dumont LM This is the type that you can replace yourself.