Hello, according to the Omega catalog of the '70 I for sale this new dark brown leather strap: - totally hand made in Italy; - very soft and comfortable; - three layers of genuine dark brown leather folded along the edges; - the stitching is covered on the back side to be more comfortable on the wrist - 20/16mm; - 115/75mm; - three lines of 6 small racing holes (as for the original); - two slight ripples in the middle (as for the original); - rectangular end configuration (as for the original); - very thin (around 2,3mm+) according to the standard of the '70s; - anthracite stitching; - free pass according to the standard Omega for this strap; - 85€ shipped. Happy to answer to other questions. Thanks to Omega Watch Forum for this space Have a nice week. Giuliano