Custom ribbed Horween Chromexcel (made in America) leather replacement strap with contrast stitching. Horween is a historic American tannery in Chicago, Illinois. They've been making the finest leathers since 1905.
Also compatible with:-Xeric Trappist-1 Moonphase-Halograph II Automatic-Halograph Chrono Sapphire-Halograph Original Automatic-Xeriscope Original-Most watches with 22mm lug width