Citizen Eco-Drive x Analog ft. Titanium Men Casual Formal Round 50m Water Resistant Watch BJ6520-82L BJ6520 BJ-6520Discover a timepiece that combines innovative technology with sleek design. This eco-friendly watch boasts a 6-month power reserve, sapphire crystal, and titanium case with band. Enjoy precise timekeeping, insufficient charge warning, and overcharge prevention functions, all wrapped in a stylish 39.5mm diameter case.Caliber Number / MovementE031 (solar Eco-Drive)Power Reserve / AccuracyApproximately 6 months when fully charged (+/-15 seconds per month)CrystalSapphire crystalLuminousNilCase & Band MaterialTitanium case with titanium band (three-fold clasp with push-button release)Water Resistance50m / 5 barCase SizeDiameter: 39.5 mmOther SpecificationsCitizen Eco-Drive x Analog ft. TitaniumInsufficient charge warning functionOvercharge prevention functionRegular timekeeping (analog display)