Custom ribbed Horween Chromexcel (made in America) leather replacement strap with hidden-strap deployant clasp. Horween is a historic American tannery in Chicago, Illinois. They've been making the finest leathers since 1905. Hidden deployant clasps are typically used on luxury watches and reduce the wear and tear on your strap associated with normal buckles.

Also compatible with:
-Atlasphere GMT
-Decypher Automatic
-Halograph II Automatic and Chrono
-Invertor Automatic
-Trappist-1 Moonphase, NASA Automatic/Quartz
-Vendetta Automatic
-Most watches with 22mm lug width