Black Full Grain Crocodile Leather Strap For Omega Seamaster 166.067 Watch - 6.5" - 7.0" Wrist - 18mm Watch Lug Width - 16mm Buckle Width https://vgreenco.com/collections/leather-straps/products/full-grain-crocodile-leather-black Working out the width for a different Omega? The Omega watch straps page lists lug widths across the range.