Analog-Quartz movement</br>Case diameter: 41 mm</br>Plastic case</br>Scratch resistant mineral</br>Water resistant to 330 feet (100 M): suitable for snorkeling?? as well as swimming?? but not diving</br></br>Product Description</br></br>A glossy tortoiseshell finish adds timeless appeal to this Nixon watch. Sleek marks and logo lettering accent the dial. Hinged-snap clasp. Extra links included.</br><br/>http://www.amazon.com/gp/product/B004N47GXI