Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Sports Round 100m Water Resistant Watch CA4011-55L CA4011 CA-4011Experience precision and style with this titanium timepiece, powered by Citizen's Eco-Drive technology, offering 9 months of battery life, chronograph function, and advanced features like date and 24-hour display, while maintaining a sleek and modern design, perfect for the modern gentleman.Caliber Number / MovementB620 (solar Eco-Drive)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalSapphire crystalLuminousLuminous on hands and indexesCase & Band MaterialTitanium case with titanium band (three-fold clasp with secure lock, push-button release)Water Resistance100m / 10 barCase SizeDiameter: 43.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. ChronographDate and 24-hour displayInsufficient charge warning functionOvercharge prevention functionChronograph up to 60 minutes in 1/5-second incrementEquipped with small second handRegular timekeeping (analog display)