[CITIZEN L, a sustainable watch that is as beautiful as the earth] From the [SQUARE Collection], which is popular for its stylish appearance, a model with a timeless design and an easy-to-read model is now available. Equipped with photovoltaic eco-drive, so no need for replacement. This is a product that combines functionality and design. [Timeless and elegant design] The boldly cut sapphire curved glass, slightly rounded square case, and Arabic numeral indexes are used on the dial, with a rail placed for easy viewing. The cut position of the curved glass has been adjusted to reduce glare and improve visibility. [People-friendly functions and performance] Equipped with photovoltaic eco-drive for hassle-free operation. Converts a small amount of sunlight or light into electricity. Once fully charged, it will continue to work for a long time even in the absence of light, so there is no need for regular replacement. Water resistant to 5 ATM, safe for water work. [Product Details] Photovoltaic Eco-Drive, accuracy ±15 seconds/month, photovoltaic generation: 7 months, 5 ATM water resistant, curved cut sapphire glass, case/band: stainless steel, white pearl dial, dial parts : Partially recycled material [About charging] Solar tech that converts light into energy. Once fully charged, it will last about 7 months. When you first start using it, we recommend fully charging it under sunlight. Also, when you take it off your wrist, you can store it in a place where it is easily exposed to light, so you can use it in your daily life without worrying about it stopping. *You can also check the estimated charging time from the instruction manual on the manufacturer's website.