Citizen Eco-Drive x Analog ft. Chronograph Men Formal Round 100m Water Resistant Watch CA4630-53X CA4630 CA-4630This Citizen watch showcases a durable stainless steel case measuring 42 mm in diameter, complemented by a sturdy band. It houses a reliable Citizen movement and is protected by a mineral crystal. With a water resistance of 100m, this watch is perfect for swimming and other water activities.Caliber Number / MovementB620 (solar Eco-Drive)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousNilCase / Band MaterialStainless steel case with stainless steel band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 13.6 mmDiameter: 42.0 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)