The item for sale is a brand new strap made of the finest Italian pattern genuine leather in Black color with butterfly deployment clasp. It is made for Montblanc UTC watch which has 20mm lugs.This Black strap is made of genuine premium Italian leather, Quality leather with decor, black thread stitching and thick 4mm padding for nice look. It will fit up to an 8 inch wrist.Deployment clasp is made of 316L stainless steel.It will fit watch with 20mm at lugs with 18mm at the buckle.Width at Lugs: 20mmWidth at Buckle: 18mm Length:Long part: 115mm ( 4.6 inch )Short part: 75mm ( 3 inch )You get complete sets of genuine leather straps with stainless steel deployment clasp and it comes with 2 free spring bars. Available in 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mmand 24mm in black, light blue, blue , dark blue , orange, grey, tan, light brown , dark brown color and they are listed in our store for you to purchase. 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. This will help to avoid any returns or exchanges. Thank you for your business! We sell only the best quality replacement watch parts and accessories for your watch. Buy with confidence from a reputable seller in the USA that you can trust! Visit our online store for a huge selection of other watch parts.