The item for sale is a brand new genuine Calf?leather strap made of?Top Grade? leather and comes with double deployment clasp made of the highest quality.?It will fit your Montblanc watch?which has 18mm lugs.This Strap is made of? Premium top quality genuine?Italian leather with same color thread stitching with thick 4.5mm ?padding with soft beige nubuck genuine waterproof ?leather lining on the back?for long lasting and durability of the strap with comfort, nice, classy and expensive look like your original strap.?This Leather Strap is Waterproof and great for swimming and it getting wet.It will fit up to an 8-8 1/2 inch wrist. Double deployment buckle is thick and high polished?made of 316L stainless steel and is interchangeable. Length: Long part: 115mm Short part: 75mm Width of straps: 18/18mm Available in 18mm, 19mm, 20mm, 22mm, 24mm in black, orange, blue, grey, dark brown, light brown color and they are listed in our store for you to purchase. You will receive complete sets of genuine leather strap with SS deployment clasp and it comes with 2 free spring bars. All Customers Please Note: Be sure to check your watch model number, lug width opening,?All Customers Please Read The Following Before Purchasing:Be sure to check our detailed measurement guide below or in the photos/images section of the listing to assist you with purchasing the correct parts for your watch. The guide will show you how to measure the lug width opening of your watch using a ruler, how to check your model number, and assist you with other questions you may have regarding measurement. Many watches appear the same but may be different in case size or year model.Thank you for your business!