It's a radio-controlled watch, so it automatically adjusts the time! It's solar-powered, so you can use it for a long time without changing the battery! It's water-resistant to 5 atmospheres, so you can wash it completely with water for cleanliness! The band can be easily adjusted without tools! CASIO wave ceptor WVA-M630D-7JAF Casio Wave Ceptor Manufacturer's suggested retail price: ¥27,500 (tax included) [Will be shipped after charging and time adjustment.] There are fine scratches on the glass surface and scuffs on the entire band. There are no problems with the watch's functions. The instruction manual can be found on Casio's official website. Peace of mind for those who don't want their personal information revealed!! [Anonymous shipping] Will be shipped via Rakuraku Mercari便. Nekoposu size