Citizen Eco-Drive x Analog ft. Chronograph Men Casual Formal Round 100m Water Resistant Watch CA4500-83M CA4500 CA-4500This exclusive chronograph timepiece blends elegant design with advanced eco-drive technology. It features a striking blue dial with a date function and three sub-dials, and is water-resistant up to 100 meters. With a durable stainless steel case and bracelet, and a resilient mineral crystal, it is ideal for both professional and casual settings.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 metal band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 13.0 mmDiameter: 44.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. ChronographHeart rate count (base 30 pulsations)Date and 24-hour displayChronograph up to 60 minutes in 1/5-second incrementInsufficient charge warning functionOvercharge prevention functionEquipped with small second handRegular timekeeping (analog display)