Now you can own the watch that was officially selected by the U.S. Navy SEALS ! Rigorous testing brought it official qualification for use by the U.S. Army, Air Force, Navy and EOD (MIL-W-46374F). This watch is shock and water resistant and well suited for real world use from sports to law enforcement. The self-powered tritium illumination system in the hands, hour marks, and bezel reference make this the brightest reading watch for low light or no light situations available. The illumination system glows 100 times brighter that other luminous watches and will do it for over 25 years! Timing is by multi-jewel Swiss quartz movement. Don't worry about getting this one wet, it is water resistant to 200 meters (660 feet). Constructed with a polyamid case, black stainless steel back and tempered mineral glass crystal for long service life. Date window, 24 hour dial, polymer strap and nylon web strap are standard features. Ten year warranty on illumination system. Face measures 1". Swiss made. New nylon/velcro pull back strap.