About This Watch: This Longines HydroConquest Watch L36444562 or L3.644.4.56.2 has an automatic chronograph, self winding movement with a date window. It features a black dial and a scratch resistant sapphire crystal. Its finely crafted 41 mm case is made out of stainless steel. This watch is water resistant up to 30 bars; 1000 feet; 300 meters.