CITIZEN Watch [Citizen] ECO-DRIVE Eco-Drive AW1620-81E Men's [Reverse Import]

Movement: Eco Drive Case size (approx.): (width) 42mm x (thickness) 11mm Waterproof performance: Reinforced waterproof for daily life (10 ATM) date calendar Equipped with Citizen's proprietary photovoltaic technology "Eco-Drive," the solar cell built into the watch receives light and generates electricity to drive the watch. In addition, as excess electrical energy is stored in the secondary battery, there is no need to periodically replace the battery, and as the name suggests, the secondary battery used does not contain any harmful metals, and no harmful substances are used in the manufacturing process.As the name suggests, it has been highly evaluated from an ecological perspective, and is the first timepiece to be certified as an "Eco Mark Product." ◆Case material: stainless steel ◆Belt material: stainless steel ◆Glass material: Mineral crystal ◆Movement: Eco Drive ◆Waterproof function: Reinforced waterproof for daily life (10 ATM) ◆Case diameter: 42mm ◆Case thickness: 11mm ◆Other functions: Date calendar