Citizen Eco-Drive x Analog ft. Elegance Men Casual Formal Round Water Resistant Watch BM9012-02A BM9012 BM-9012Experience precision and sophistication with this eco-friendly timepiece, featuring a solar-powered movement, 6-month power reserve, and advanced functions like day and date display, insufficient charge warning, and overcharge prevention, all encased in a sleek stainless steel design with a luxurious leather strap.Caliber Number / MovementE101 (solar Eco-Drive)Power Reserve / AccuracyApproximately 6 months when fully charged (+/-15 seconds per month)CrystalSapphire crystalLuminousNilCase & Band MaterialStainless steel case with leather bandWater ResistanceWater resistantCase SizeThickness: 7.9 mmDiameter: 37.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. EleganceMade In JapanDay and date displayInsufficient charge warning functionOvercharge prevention functionRegular timekeeping (analog display)