Citizen Chronograph Watch [Citizen] Eco-Drive CA4420-81L Men's

Movement: Eco-Drive Case size (approx.): (Width) 43mm x (Thickness) 12mm Water resistance: Enhanced water resistance for everyday use (10 ATM) Date calendar, chronograph, 24-hour indicator Equipped with Citizen's unique light-powered technology, "Eco-Drive," the watch uses a built-in solar cell to generate electricity when it receives light, powering the timepiece. Furthermore, any excess electrical energy is stored in a secondary battery, eliminating the need for regular battery replacement. In addition, the secondary battery does not contain harmful metals, and no harmful substances are in the manufacturing process. As its name suggests, it has received very high praise from an ecological standpoint, and it was the first watch to be certified as an "Eco-Mark product." ◆Case material: Stainless steel ◆Belt material: Stainless steel ◆Glass material: Mineral crystal ◆Movement: Eco-Drive ◆Water resistance: Enhanced water resistance for daily use (10 ATM) ◆Case diameter: 43mm ◆Case thickness: 12mm ◆Other functions: Date calendar, chronograph, 24-hour indicator