Luminox Navy SEAL 3603 is a rugged dive watch built for visibility and durability, featuring a lightweight CARBONOX case and self-powered Luminox Light Technology for long-lasting legibility. Key attributes: Black | Navy blue | Orange | Multicolor | CARBONOX | Water resistant to 200 m (20 ATM) | Luminox Light Technology — self-illuminating up to 25 years | Sapphire crystal with anti-reflective coating | Swiss quartz movement (RONDA 515) | Date display with magnifier | Unidirectional (one-way) rotating bezel | Screw-down crown with double gasket | Magnified date window at 3 o'clock | Blue dial with luminous markers and hands | Orange rubber strap with buckle | Black round case, crown protection | Dimensions & fit: Case diameter: ca. 45 mm | Case height: ca. 14 mm | Band lug width: ca. 24 mm | Weight: ca. 75 g | Composition & care: CARBONOX (case) | 316L stainless steel (case back) | Rubber / Kautschuk (strap) | Sapphire crystal (glass) | Swiss quartz movement (RONDA 515)