Citizen Eco-Drive x Analog ft. Chronograph Men Formal Round 100m Water Resistant Watch CA0790-83E CA0790 CA-0790Precision meets style with this Eco-Drive Chronograph, featuring a stainless steel case and deep black dial. Powered by light with no battery needed, it offers chronograph accuracy, 100m water resistance, and date display - a perfect blend of performance and sleek design for the modern wearer.Caliber Number / MovementB612 (Eco-Drive aka solar powered)Power Reserve / AccuracyApproximately 7 months when fully charged (+/-15 seconds per month)CrystalMineral crystal (curved)LuminousLuminous on hands and indexesCase / Band MaterialStainless steel case with stainless steel band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 13.1 mmDiameter: 43.0 mmLength: 51.2 mmLug width: 22.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. ChronographScrew case backChronograph up to 60 minutes in 1/5-second incrementOvercharge prevention functionInsufficient charge warning functionDate and 24-hour displayEquipped with small second handRegular timekeeping (analog display)