Casio Women&#39;s SHN5501D-1A Sheen 5502 Series Rectangular Chronograph Watch Precise timekeeping with quality Japanese-quartz movement Stainless-steel case, date display Durable domed spherical glass Chronograph, 1/20 second stopwatch Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving