Built for adventure beneath the waves, the Citizen BN0151-09L Promaster Diver is a rugged, reliable companion for any dive enthusiast. Featuring a bold blue dial, luminous hands, and a durable polyurethane strap, this ISO-certified diver’s watch is powered by Citizen’s Eco-Drive technology—meaning it runs on light and never needs a battery. With 200-meter water resistance and a unidirectional bezel, it’s ready for deep-sea exploration or everyday wear. Specification - Model: BN0151-09L - Collection: Promaster Diver - Movement: Eco-Drive (solar-powered, no battery replacement) - Gender: Mens - Case Material: Stainless Steel - Case Diameter: 44 mm - Case Thickness: Approx. 12 mm - Dial Color: Blue with luminous hands and markers - Crystal: Mineral crystal - Strap Material: Blue polyurethane - Clasp Type: Buckle - Water Resistance: 200 meters (ISO 6425 certified for diving) - Bezel: Unidirectional rotating bezel - Functions: - Date display - Power reserve indicator - Screw-down crown - Anti-reflective dial for underwater visibility