The item for sale is a brand new genuine?leather strap made of the finest?high end leather material. It will fit your Omega Seamaster watch which has 20mm lugs.This Strap is made of? Premium grade Italian genuine leather with same color thread stitching and comes with thick 4.5mm ?padding with soft beige nubuck waterproof genuine leather lining on the back with sweat resistance?for long lasting and durability 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 with the 1 1/2 inch watch. Buckle is thick and high polished. It is made of 316L stainless steel and is interchangeable. It will fit watch with 20mm lugs. Length: Long part: 115mm Short part: 75mm Width of strap: 20mm/20mm This strap is?specially made for high end watches and retail over $150.You get complete sets of genuine leather strap with buckle and it comes with 2 free spring bars. Available in 18mm, 19mm, 20mm, 22mm, 24mm, 26mm in black, orange, blue, grey, dark brown, light 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.