No battery change required and powered by all types of light. Solar cell with high performance electricity generation. Energy-efficient movement with long power reserve. This elegant ladies dress watch has a stainless steel case and bracelet, accenting a stunning mother-of-pearl dial, adorned with Swarovski crystals both as markers and around the bezel. Date calendar. 30 meters water resistant withstands rain and splashes of water, but not showering or submersion.