The Longines La Grande Classique de Longines L4.209.4.58.6 is a quartz watch featuring a 24.00 mm stainless steel case with a slim profile. It has a black lacquered polished dial adorned with diamond hour markers and silver-tone hands. The watch is equipped with a scratch-resistant sapphire crystal and offers water resistance up to 30 meters. Completing the design is a stainless steel bracelet with a triple safety folding clasp and push-piece opening mechanism. Reference number: L4.209.4.58.6.