Nixon Men's A1981033-00 Chronicle SS Analog Display Swiss Quartz Silver Watch Swiss Made 3 hand quartz with a large date window and a burly customized crown at the 9 o'clock hour, the Chronicle makes a statement Sleek 48.5 mm case with just enough add-ons to be noticed, including the large crown at 9 o'clock Swiss-quartz Movement Case Diameter: 48.5mm Water Resistant To 100m (330ft): In General, Suitable for Swimming and Snorkeling, but not Diving Quartz movement Case diameter: 48.25 mm Left-handed screw down crown watch, stainless steel case Mineral Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving