Invicta Men's 'Sea Base' Automatic Stainless Steel Casual Watch, Color:Silver-Toned (Model: 17920) Black carbon fiber cutout dial with silver luminous hands and hour markers, steel stainless steel band and screw down crown 47mm stainless steel case with a sapphire crystal Automatic-self-wind Movement Case Diameter: 47mm Water resistant 300m :in general, suitable for professional marine activity and serious surface water sports, but not diving