Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Round 100m Water Resistant Watch CA4155-04L CA4155 CA-4155Experience the ultimate in precision timekeeping with a stylish twist. This innovative chronograph boasts a vibrant blue chroma-finish, sleek stainless steel case, and Eco-Drive technology, harnessing the power of light to fuel its precise movements. A statement piece for the modern adventurer.Caliber Number / MovementB620 (solar Eco-Drive)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousLuminous on hands and indexesCase & Band MaterialStainless steel case with urethane rubber strapWater Resistance100m / 10 barCase SizeDiameter: 48.0 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)