Longines HydroConquest Automatic Chronograph Mens Watch # L3.644.4.96.6. Dial color Blue. Case Stainless steel. Band Stainless steel bracelet with double locking safety clasp and integrated diving extension. Bezel Blue aluminum unidirectional rotating bezel. Antireflection sapphire crystal. Date aperture at 3 oclock. Chronograph stopwatch features. Movement Self winding automatic. Water resistant 300 meters. Approximate case diameter 41mm.