Android Men's Swiss Automatic Metal and Leather Casual Watch, Color:Black (Model: AD603AK) Swiss ETA 2824 Automatic movement Strap Measurements: 10-1/4" L x 24mm W Case Measurements: 50mm Scratch resistant sapphire crystal. Case Thickness: 16mm Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving