20MM LEATHER BAND STRAP DEPLOYMENT BUCKLE CLASP FOR MONTBLANC BLACK PVD S/STEEL
It will fit an Montblanc watch which has 20mm lugs. It will fit watch with 20mm at lugs. 17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. Watches may share a visual resemblance, yet variations in case size or year model can distinguish them.