Luminox XS.3597 Chronograph pairs a lightweight CARBONOX™ case with a Swiss RONDA 5030.D chronograph movement for dependable performance. It stands out for its long‑lasting LLT illumination and 200 m water resistance, built for active use. Key attributes: Green | Black | CARBONOX™ | Water resistant to 200 m (20 ATM) | Swiss RONDA 5030.D movement (Swiss Made) | LLT illumination visible up to 25 years | Hardened mineral glass | Chronograph function | Date display | Unidirectional rotating bezel | Luminous LLT tubes (minute/index green; 12 o'clock orange) | Protected crown with double gaskets | Green dial | Black case | Black rubber strap | 316L stainless steel caseback | Dimensions & fit: Case diameter 45 mm | Case thickness approx. 14 mm | Weight approx. 80 g | Composition & care: CARBONOX™ (case) | 316L stainless steel (caseback) | Rubber (strap) | Hardened mineral glass (crystal)