The Longines La Grande Classique de Longines L4.512.4.87.0 is a quartz watch featuring a 29.00 mm stainless steel case with a thickness of 4.50 mm. It has a white mother-of-pearl dial adorned with 12 Top Wesselton VS-SI diamonds totaling 0.081 carats. The watch is equipped with black hands and is protected by a scratch-resistant sapphire crystal. It offers water resistance up to 3 bar and comes with a white alligator leather strap secured by a buckle. The timepiece is powered by the Longines Caliber L420 quartz movement, displaying hours and minutes. Reference number: L4.512.4.87.0.