Citizen Watch Q&Q Wristwatch Falcon (with date) D020-031 [Genuine Product]Product Highlights Water Resistant for Daily Life It can withstand sweat during daily activities, water droplets when washing your face, and rain, but it cannot be used under conditions with significant changes in water pressure. The primary battery incorporated into the watch at the time of purchase is a battery for checking the watch's functions and performance (monitor battery). This battery is installed at the factory and will be depleted by the