The item for sale are brand new aftermarket replacement straps made of the Top Grade Premium Quality Italian Genuine Calf Leather Strap with American alligator belly grain in Black color for Cartier Santos 100 Chronograph and finest calf leather lining at reverse side. Length: 115mm/115mm ( approx 4.5 inch )Width: 24.5mm at the case lug and 21mm at the buckle end. Thickness:10.5mm and tapered to 1.90mm ( Exact like OEM strap )Top Grade Genuine Premier Leather / American Alligator Grain with Heavy Duty StitcháFinest Genuine Calf Leather Lining with Black Stitch on Reverse Side.These new watch strap will bring a fresh new look to your watch and will make your watch look like new.You get (2) One pair of Genuine Leather Straps in original factory package.It will not work on model # 2656.We also carry Leather Strap in 20mm for lady and 23mm for Santos XL Model 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.