This is an authentic Cartier Santos de Cartier larger models blue calf leather watch strap that comes complete with the original Cartier buckle. This will fit the Cartier Santos de Cartier 4072 large watch models such as the WSSA0030.

Your watch strap is 21mm wide where it connects to your watch. Your longer strap piece is 11.5cm long and your shorter strap piece is 9cm long. This strap can be set to be between 14.5cm and 18cm long.

I have given you photos of your watch strap from every angle. Please use them to add to this description.

If you are not sure if this will fit your watch or if you have any other questions then message me. I'm here to help you.