Omega Women's 1566.66.00 Constellation My Choice Quartz Mini Watch Precise Swiss-Quartz movement Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside Case diameter: 22.5 mm Stainless-steel case; Pink Mother-of-Pearl with diamonds dial Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion