This is a new model from the CASIO women's watch SHEEN that combines cool and elegance. [Waterproof to 5 ATM] [Solar power] Uses the sun [Sapphire glass] Uses glass made of artificial sapphire, which has a hardness second only to diamond and is scratch resistant and highly transparent. I'm doing it. Anti-reflection coating is applied to the inner surface of the glass. [Other product specifications] Charging warning function/date display