Citizen Eco-Drive x Analog ft. Elegance Men Casual Formal Round 50m Water Resistant Watch AW1370-51M AW1370 AW-1370Experience the perfect blend of style and substance with a timepiece that effortlessly adapts to any occasion. Boasting a refined silver tone design, striking blue dial, and advanced Eco-Drive technology, this watch ensures accuracy and reliability while eliminating the need for batteries, making it a reliable and stylish companion for any moment.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 functionRegular timekeeping (analog display)