Citizen ATTESA ACT Line Eco-Drive Radio-Controlled Watch, Direct Flight AT8186-51LProduct Highlights Introducing the new addition to Citizen's ATTESA series "ACT Line," launched in autumn winter 2019. The "AT8186 51L" features a two tone design using DLC. The combination of silver and black in the case adds a touch of strength to its sharp design. The mirror finished bezel prevents it from looking too heavy, creating a clean and masculine appeal. Product Overview Continuing to lead the next generation with titanium, Citizen ATTESA.