Seiko Men&#39;s Quartz Metal and Rubber Casual Watch, Color Japanese Digital Quartz Movement Durable mineral hardlex crystal; brushed and polished titanium alloy and stainless steel case; black rubber strap Hour, minute, second, month, date and day display Grey digital dial with dive computer functions including algorithm, diving data, altitude compensation, nitrox diving and dive log function; fully automatic calendar; alarm function; illuminating light; yellow seiko box included Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving