Luminox Chronograph Watch pairs a robust stainless steel case and comfortable silicone strap with Luminox Light Technology for reliable low-light visibility. Designed for active use, it combines Swiss quartz precision with 200 m water resistance. Key attributes: Black | Stainless steel | Water resistant to 200 m / 20 ATM | Luminox Light Technology (tritium tubes, continuous glow up to 25 years) | Hardened mineral glass | Chronograph | Date display | Pin buckle closure | Swiss quartz movement | Round stainless steel case | Black dial | Silicone strap | Silver case finish | Dimensions & fit: Case diameter: 44 mm | Case thickness: ca. 14 mm | Weight: ca. 117 g | Composition & care: Stainless steel | Silicone | Wipe clean with a soft, dry cloth. Avoid contact with solvents and chemicals. Have seals and battery serviced by an authorised watch technician.