Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Round 100m Water Resistant Watch CA0450-57E CA0450 CA-0450 Discover a timepiece that combines style and precision, featuring a solar-powered Eco-Drive movement, 7-month power reserve, and chronograph functionality up to 60 minutes. Enjoy a durable stainless steel case, 100m water resistance, and advanced features like date and 24-hour display, all wrapped in a sleek 40mm design. Caliber Number / Movement B612 (solar Eco-Drive) Power Reserve / Accuracy Approximately 7 months when fully charged (+/-15 seconds per month) Crystal Sapphire crystal Luminous Luminous on hands and indexes Case & Band Material Stainless steel case with metal band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Diameter: 40.0 mm Other Specifications Citizen Eco-Drive x Analog ft. Chronograph 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)