Swisstek Women's SK21405L Blue Topaz/White Leather Watch Swisstek Women's SK21405L Blue Topaz/White Leather Watch The stringent and systematic inspections conducted by the workshops testify to extremely high standards that guarantee the exceptional quality and reliability of each timepiece Quartz Movement Case Diameter: 40mm Water resistant to 30m (100ft): in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing