Citizen Eco-Drive x Analog ft. Brycen Men Formal Round 100m Water Resistant Watch AW1855-52E AW1855 AW-1855 Fuel your active lifestyle with the Citizen Eco-Drive watch, featuring a 42mm black ion-plated stainless steel case and 3-link bracelet. The patterned black dial and bi-directional bezel offer rugged style, while Eco-Drive technology provides hassle-free, light-powered precision - no battery needed. Built for durability and performance. Caliber Number / Movement J810 (Eco-Drive aka solar powered) Power Reserve / Accuracy Approximately 8 months when fully charged (+/-15 seconds per month) Crystal Sapphire crystal (anti-reflective coating) Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 11.4 mm Diameter: 42.3 mm Length: 50.1 mm Lug width: 22.0 mm Other Specifications Citizen Eco-Drive x Analog ft. Brycen Bidirectional rotating bezel Screw case back Insufficient charge warning function Overcharge prevention function Date display Regular timekeeping (analog display)