Citizen Eco-Drive x Analog ft. Elegance Men Casual Formal Round 50m Water Resistant Watch BM6978-77E BM6978 BM-6978Discover the Citizen Eco-Drive men watch, a sophisticated 40mm accessory for the discerning gentleman. With a stainless steel case and bracelet, 50m water resistance, and sapphire glass, it offers durability and clarity. Eco-Drive technology harnesses light for sustainable power, making this minimalist timepiece perfect for any occasion.Caliber Number / MovementE111 (solar Eco-Drive)Power Reserve / AccuracyApproximately 6 months when fully charged (+/-15 seconds per month)CrystalSapphire crystalLuminousNilCase / Band MaterialStainless steel case with metal band (three-fold clasp with push-button release)Water Resistance50m / 5 barCase SizeThickness: 8.2 mmDiameter: 40.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. EleganceDate displayInsufficient charge warning functionOvercharge prevention functionRegular timekeeping (analog display)