Longines La Grande Classique de Longines

The La Grande Classique de Longines, reference L4.512.4.97.6, has a 29 mm round case in steel. The watch is set with diamonds. The case measures 4.5 mm thick and 33.2 mm lug-to-lug, with water resistance rated to 30 metres. Quartz calibre L420.2 powers the watch and uses a RENATA 346 battery. Polished silvered hands indicate the hours and minutes on the sunray blue dial. A steel bracelet closes with a triple safety folding clasp and a push-piece opening mechanism. The bracelet fits between lugs spaced 16 mm apart. A scratch-resistant sapphire crystal covers the dial.