Invicta Men's 'Bolt' Quartz Stainless Steel Casual Watch, Color:Silver-Toned (Model: 21356) Chronograph with 60 second, 30 minute and day sub dials and date display 54.5mm stainless steel case with flame fusion crystal Quartz Movement Case Diameter: 54.5mm Water resistant 500 meters:in general, suitable for professional marine activity and serious surface water sports, but not diving