Graham Presented The Limited-Edition Watch About Navy SEAL Graham Swiss watches by wholesalewatches - December 10, 20150 Graham has a limited edition watch relate to American institution. It is the product of a collaboration with the Navy SEAL Foundation. The watch embodies “stealth” with the dark hues of its 47-mm-diameter case with black PVD coating, and the use of carbon fiber for the side-mounted “trigger,” a hallmark