Seiko Men's Quartz Stainless Steel Casual Watch, Color:Black (Model: SNA765) Reliable Japanese-quartz movement Strong Mineral crystal protects dial from scratches Case diameter: 45 mm Stainless-steel case; black-with-dark-black-sub-dials dial; chronograph functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving