Longines La Grande Classique de Longines

The La Grande Classique de Longines, reference L4.512.4.87.C, has a 29 mm round case in steel. The watch is set with diamonds. Measuring 4.5 mm thick and 33.2 mm lug-to-lug, the case has a water-resistance rating of 30 metres. Power comes from quartz calibre L420.2, powered by a RENATA 346 battery. The dial is covered by a scratch-resistant sapphire crystal. Black hands indicate the hours and minutes on the white mother-of-pearl dial. The bracelet fits between lugs spaced 16 mm apart. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism.