Citizen Eco-Drive x Analog ft. Elegance Men Casual Formal Round 50m Water Resistant Watch AW1370-51F AW1370 AW-1370Experience the art of precision timekeeping with a watch that effortlessly adapts to any occasion, boasting a refined silver tone and striking black dial with date display. Enjoy unparalleled reliability with WR50/5 bar and exceptional accuracy, powered by innovative Eco-Drive technology that harnesses light energy, eliminating the need for batteries.Caliber Number / MovementJ810 (solar Eco-Drive)Power Reserve / AccuracyApproximately 8 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousLuminous on handsCase & Band MaterialStainless steel case with metal band (three-fold clasp with push-button release)Water Resistance50m / 5 barCase SizeDiameter: 41.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. EleganceDate displayInsufficient charge warning functionOvercharge prevention function