Movement- chronograph</br>Features a durable mineral crystal</br>Analog-quartz Movement</br>Case Diameter: 44mm</br>Water resistant to 50m (165ft:?in general?? suitable for short periods of recreational swimming?? but not diving or snorkeling</br></br>Product Description</br></br>Smart Watch</br><br/>http://www.amazon.com/gp/product/B01GQ9PA1M