*Automatic movement with smooth sweeping seconds & see through case back *Date function *Stainless steel case back and watch band *Clasp Type Push Button *Foldover Clasp With Safety *Case material stainless steel *Case diameter 40mm *Case Thickness 12mm *Band width 20 millimeters *Bezel material stainless-steel *Water resistant to 30 meters (99 feet) - withstands light splashes or brief immersion in water, but NOT suitable for swimming or bathing. It is recommend to avoid all water exposure for watch water resistance category 30m