Longines Watch Flagship Heritage L4.815.4.78.2. Featuring a moon phase complication have been added to the Flagship Heritage line. It is located on a small dial with a date hand at 6 o'clock. A silicon balance spring drives an exclusive Longines movement that is anti-magnetic. The screw-down steel case has a diameter of 38.5 mm. It reveals satin-brushed finishes, with shortened and chamfered lugs. This model features a domed silvered opaline dial enhanced by 11 applied hour markers and golden hands. It has a brown leather strap fitted with a new Heritage pin buckle.