Citizen Promaster x Eco-Drive ft. Ecozilla Men Casual Round Diver 300m Water Resistant Watch BJ8055-04E BJ8055 BJ-8055 Dive into precision with this solar-powered timepiece, boasting a 6-month power reserve, luminous details, and 300m water resistance. Crafted with a stainless steel case and synthetic rubber strap, this scuba diving watch features a unidirectional rotating bezel, screw-down crown, and advanced functions for optimal performance. Caliber Number / Movement B873 (solar Eco-Drive) Power Reserve / Accuracy Approximately 6 months when fully charged (+/-15 seconds per month) Crystal Mineral crystal (curved, anti-reflective coating) Luminous Luminous on hands, indexes and bezel Case & Band Material Stainless steel case with synthetic rubber strap Water Resistance 300m / 30 bar scuba diving Case Size Diameter: 48.2 mm Other Specifications Citizen Promaster x Eco-Drive ft. Ecozilla Unidirectional rotating bezel Screw-down crown Screw case back Date display Insufficient charge warning function Overcharge prevention function Regular timekeeping (analog display)