About This Watch: This Longines Saint-Imier Collection Watch L27634726 or L2.752.4.72.6 has an automatic chronograph, self winding movement with a date window. It features a white 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 3 bars; 100 feet; 30 meters.