Citizen Women's FB1020-52D Eco-Drive Riva Chronograph Watch Light powered Eco-Drive Japanese-quartz movement; Charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 33 mm Stainless-steel case; Mother-of-Pearl dial; Date function; Chronograph functions Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion