*Le meilleur système d'illumination *Brille continuellement pour plus de 25 ans *Système Suisse d'auto illumination *Pas besoin d'appuyer sur un bouton ni d'exposer à la lumière pour déclencher le système d'illumination *L'illumination est garantie pour 10 ans *Entièrement Swiss Made *Mouvement quartz Suisse *Etancheité et resistance aux chocs. Licensed product of Lockhead Martin Corporation, maker of the F-117 Nighthawk Jet, developed for and supplied to F-117 Nighthawk pilots (U.S. Air Force pilots). Black PVD (physical vapor deposition) plated stainless steel 43 mm case with crown protector. Screw in case back and screw down crown. Water resistant to 20 atm/220 meters/660 feet. Black PVD plated unidirectional racheting stainless steel bezel (marked 1 to 11 to keep time in second time zone) with bright Luminox Light Technology. (LLT) "dot" encased in steel housing and protected by sapphire window. Highly scratch resistant sapphire glass crystal with anti-reflective coatings Multi-jewel Swiss quartz movement with date function and 10 year lithium battery. Black PVD plated solid link. Stainless steel bracelet with safety clasp and extender (for use over flight suit), or durable black PU strap with stainless steel signature buckle or waterproof Pittards black padded. Leather strap (lug width 22 mm).