The item for sale is a brand new genuine?calf leather strap made of the finest top quality?calf leather material made of highest quality for Ulysse Nardin. It will fit your watch which has 18mm lugs. This strap is waterproof with detailed white color stitching and thick 4.50mm padding for soft, comfort and classy look. It will make your watch look very expensive. It will fit your watch with up to an 8 1/2?inch wrist. Buckle is thick and high polished. It is made of 316L stainless steel and is interchangeable. The leather strap is waterproof. Length: Long part: 115mm Short part: 75mm Width of strap: 18mm/18mm This strap is?specially made?for high end watches and sells for $150 and up?in stores.?You will receive one strap in dark brown color it comes with 2 spring bar. Available in 18mm, 20mm, 22mm, 24mm, 26mm in black, dark brown, light brown color and they are listed in our store. 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. We are also an email away to assist with any questions you may have. 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.