Luminox Bear Grylls Survival Chronograph is a rugged analog watch built for outdoor use, featuring a Carbonox case and Luminox Light Technology for reliable visibility. It combines a precise Ronda 5030 quartz chronograph with durable materials for demanding conditions. Key attributes: Black | Beige | Carbon | Water resistant to 30 ATM | Sapphire crystal glass | Quartz movement | Chronograph | Luminox Light Technology | Buckle closure | Ronda 5030 quartz movement | Carbonox case | Black dial with luminous markers | Beige resin bracelet | Buckle clasp | Dimensions & fit: Dial diameter: 45MM | Composition & care: Carbon (case) | Resin (bracelet) | Sapphire (glass) | Wipe clean with a soft cloth. Avoid strong chemicals and prolonged exposure to heat. Have battery and seals serviced by a professional.