Promaster Diver 300 m BN1024-01E

Engineered for serious underwater exploration, the CITIZEN Promaster Professional Diver 300m (BN1024-01E) reflects over three decades of diving innovation.... This robust timepiece is powered by CITIZEN’s light-driven Eco-Drive technology, delivering an exceptional 365-day power reserve on a full charge. Its 46 mm stainless steel case is paired with a plant-based BENEBIOL™ polyurethane strap, which is durable, eco-conscious, and designed for maximum comfort. The textured black dial, inspired by the mysterious depths of the ocean, subtly darkens toward the 6 o’clock position for added depth and drama. Enhanced with a helium escape valve, anti-reflective sapphire crystal, and 300-meter water resistance, this ISO-compliant diver’s watch is built for the demands of professional saturation diving.