The ultimate Swiss self-powered illumination system that glows without the need to push a button or expose to light Glows continuously for more than 25 years Glows 100 times brighter than other luminous watches Illumination guaranteed for 10 years Swiss made with jeweled Swiss watch movements 200 meters (660 feet) water resistant and shock resistant Chronograph function Date function PVD-coated stainless steel case Unidirectional stainless steel ratcheting diving bezel features bright "taser" dot gas capsule Near scratch-proof sapphire crystal 44 mm case diameter Screw down crown PVD bracelet Stainless steel screw down caseback Rigorous testing earned it official qualification for use in the U.S. Army and U.S. Navy Meets military specifications of all branches of the U.S. Armed Forces Full ten-year Luminox warranty on illumination as well as full one-year Luminox warranty on Swiss movement WatchCo.com is an authorized Luminox dealer and International shipping also