Simplify</br>Water Resistant 30 m (100 ft.)</br>Quartz Movement</br>Case Diameter: 40mm</br>Water resistant to 30m (100ft): in general?? withstands splashes or brief immersion in water?? but not suitable for swimming or bathing</br><br/>http://www.amazon.com/gp/product/B01E4GCJ7M