Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Round 100m Water Resistant Watch AT2520-89L AT2520 AT-2520Experience precision and performance with this solar-powered timepiece, boasting a 5-month power reserve, luminous hands and indexes, and a robust stainless steel case with 100m water resistance. Featuring a chronograph, date and 24-hour display, and advanced functions, this watch is designed for those who demand excellence in timekeeping.Caliber Number / MovementH500 (solar Eco-Drive)Power Reserve / AccuracyApproximately 5 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousLuminous on hands and indexesCase & Band MaterialStainless steel case with metal band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness:12.3 mmDiameter: 43.5 mmOther SpecificationsCitizen Eco-Drive x Analog ft. ChronographScrew case backDate and 24-hour displayChronograph up to 60 minutes in 1-second incrementInsufficient charge warning functionOvercharge prevention functionEquipped with small second handRegular timekeeping (analog display)