. . . via pm, as it's from another website, and don't want to post it here publicly. It's the rubberized racing strap originally fitted to the Rattrapante Speedmaster from earlier in the prior decade, circa 2003 - 2005. These straps were available directly from Omega until a few years ago, but no longer, to the best of my knowledge; you'd have to source it from an independent Omega parts supplier.