About This Watch: This Longines Flagship Watch L48034576 or L4.803.4.57.6 has an automatic chronograph, self winding movement with a date window. It features a black dial with diamonds and a scratch resistant sapphire crystal. Its finely crafted 39 mm case is made out of stainless steel. This watch is water resistant up to 3 bars; 100 feet; 30 meters.