Citizen Eco-Drive x Analog ft. Chronograph Men Formal Round 100m Water Resistant Watch CA4630-53A CA4630 CA-4630 This Citizen watch showcases a durable stainless steel case measuring 42 mm in diameter, complemented by a sturdy band. It houses a reliable Citizen movement and is protected by a mineral crystal. With a water resistance of 100m, this watch is perfect for swimming and other water activities. Caliber Number / Movement B620 (solar Eco-Drive) Power Reserve / Accuracy Approximately 9 months when fully charged (+/-15 seconds per month) Crystal Mineral crystal Luminous Nil Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 13.6 mm Diameter: 42.0 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)