Custom ribbed Horween Chromexcel (made in America) leather replacement strap. Horween is a historic American tannery in Chicago, Illinois. They've been making the finest leathers since 1905. 

Compatible with these Xeric models:
-Atlasphere GMT
-Decypher Automatic
-Halograph II Automatic
-Halograph Chrono
-Invertor Automatic
-Trappist-1 Moonphase
-Trappist-1 NASA Automatic/Quartz
-Most watches with 22mm lug width