Omega Women's 1262.70.00 Constellation Quartz Mini Two-Tone Watch Imported Precise Swiss-Quartz movement Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside Case diameter: 22.5 mm 18kt. Yellow gold - stainless-steel case; White Mother-of-Pearl dial Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion