The Citizen Promaster BN1024-01E is more than a watchit's a tool of precision engineered for the depths. With ISO-certified 300-meter water resistance, this professional-grade dive watch stands up to the most demanding underwater conditions. Powered by Citizens proprietary Eco-Drive technology, it never needs a battery, charging itself through any light source for up to a full year of operation. Designed with a rugged stainless steel case, anti-reflective sapphire crystal, and a comfortable black polyurethane strap, it combines bold style with uncompromising performance. A unidirectional bezel, luminous markers, and a screw-down crown ensure safety and visibility when it matters most. Whether you're exploring ocean floors or navigating your daily grind, the BN1024-01E is built to go the distancewith no compromises