Citizen Promaster x Eco-Drive ft. Marine Men Casual Formal Round Diver 200m Water Resistant Watch CA0820-50X CA0820 CA-0820 Dive into style with this high-performance timepiece, featuring a bold green chronograph dial, unidirectional bezel, and luminous hands. Powered by sustainable Eco-Drive technology, this 200-meter water-resistant watch is perfect for both office and ocean adventures, with a 1/5 second chronograph and date function. Caliber Number / Movement B612 (solar Eco-Drive) Power Reserve / Accuracy Approximately 7 months when fully charged (+/-15 seconds per month) Crystal Mineral crystal Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with metal band (three-fold clasp with secure lock, push-button release with slide extender) Water Resistance 200m / 660ft diver Case Size Thickness: 13.8 mm Diameter: 44.5 mm Other Specifications Citizen Promaster x Eco-Drive ft. Marine Unidirectional rotating bezel Screw-down crown Screw case back Date and 24-hour display Insufficient charge warning function Overcharge prevention function Chronograph up to 60 minutes in 1/5-second increment Equipped with small second hand Regular timekeeping (analog display)