Casio's Solar Chronograph Watch (model EFS-S630D-1AVUEF) pairs a stainless-steel case and bracelet with a sapphire crystal and solar-powered movement for precise, low-maintenance timekeeping. Key attributes: Silver | Black | Stainless steel | Solar-powered movement (Caliber 5585) | Sapphire crystal | Power reserve up to 5 months | Neo display luminescent coating | Chronograph | Date display | Battery level indicator | Safety fold-over clasp | Analog dial with three subdials | Black dial | Polished stainless-steel bracelet | Neo display luminous hands and markers | Dimensions & fit: Case diameter: 44 mm | Case height: 12.1 mm | Case length: 48.4 mm | Weight: approx. 147 g | Composition & care: Stainless steel case | Stainless steel bracelet | Sapphire crystal | Wipe with a soft cloth. Avoid chemicals and prolonged exposure to moisture. Service by an authorized centre when needed.