This is an original Cartier Alligator strap for a Cartier wristwatch, 21mm wide at the lugs and 18mm wide at the deployante buckle.
The two separate straps are:
1) 114mm long with 21mm lugs end
2) 84mm long with 18mm buckle end
I give 100% warranty this is AN ORIGINAL CARTIER STRAP.
     

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