About This Watch: This Longines La Grande Classique Watch L47092117 or L4.709.2.11.7 has a quartz movement. It features a white dial with black roman numerals and a scratch resistant sapphire crystal. Its finely crafted 33 mm case is made out of yellow PVD stainless steel. This watch is water resistant up to 3 bars; 100 feet; 30 meters.