Genuine Oil Tanned finish and hand stitched to perfection . Designed with beautiful stitching all around that simply looks great. The Oil Base Finish will provide that sophisticated look your watch deserves. Premium Genuine Leather on top and bottom. This strap has been redesigned from our older model and now has a flat layout. This makes the strap more comfortable and form fitting from the start. Interchangeable Pins are installed on the strap, to allow the ability to swap your watch straps instantly. No tools needed! This strap is sure to age well and look better and better with every use.