The item for sale is a brand new strap made of the finest genuine Quality premium calf ali pattern leather in black color fit deployment clasp. It is made for Midsize Omega Seamaster Planet Ocean or Speedmaster Moon watches which has 18mm lugs.This strap has orange thread stitching and thick padding with genuine nubuck waterproof leather lining on the backside with sweat resistant for long lasting and durability of the strap with extra comfort, nice,classy and expensive look just like yours. All Specification are exact same as OEM Omega. Leather strap is guaranted to fit your Omega Seamaster Planet Ocean, Speedmaster, Railmaster watch and you will have the same look like original.Width: 18mm/16mm Length: 110mm/100mm Thickness: Long part: 5.20mm ( Lug end ) 2.00mm (Buckle end ) Short part: 5.20mm ( Lug end ) 5.20mm ( Buckle end )This leather strap of 18mm will fit Omega Seamaster or Speedmaster Moon watch.Strap is and guaranted to fit your Omega Seamaster Planet Ocean, Speedmaster Moon, Railmaster watch and you will have the same look like original watch.You will receive complete set of genuine leather strap and it comes with 2 Free spring bar.Also available in 18mm, 19mm, 20mm, 22mm and 24mm black, blue, dark brown, light brown, tan ,orange, grey color and they are listed in our store for you to purchase.All Customers Please NoteBe sure to check your watch model number and the lug width opening using the mm side of a ruler and make sure it matches the lug width mentioned in the description of our listing. 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.