Citizen Promaster x Eco-Drive ft. Professional Ecozilla aka Unite With Blue Men Diver Round 300m Water Resistant Watch BN1025-08L BN1025 BN-1025 Dive into adventure with the Citizen Promaster, featuring a mesmerizing blue gradation dial inspired by the ocean depths and a luminous Unite with Blue bezel for enhanced visibility. This professional sports watch combines cutting-edge technology with rugged durability, built for explorers who push limits. Since 1989, the Promaster series has empowered professionals to go farther - now with bold style to match its unmatched performance. Caliber Number / Movement E365 (solar Eco-Drive) Power Reserve / Accuracy Approximately 365 days when fully charged (+/-15 seconds per month) Crystal Sapphire crystal (anti-reflective coating) Luminous Luminous on hands, indexes and bezel Case / Band Material Stainless steel case with rubber (polyurethane) strap Water Resistance 300m / 1,000ft diver Case Size Thickness: 16.3 mm Diameter: 46.0 mm Lug Width: Integrated Other Specifications Citizen Promaster x Eco-Drive ft. Professional Ecozilla aka Unite With Blue Unidirectional rotating bezel Screw-down crown Screw case back Date display Insufficient charge warning function Overcharge prevention function Regular timekeeping (analog display)