Longines La Grande Classique de Longines

The La Grande Classique de Longines, reference L4.908.4.51.6, has a 36 mm round case in steel. Painted Roman numerals accompany polished silvered hands on the sunray black dial. Measuring 7.6 mm thick and 41.5 mm lug-to-lug, the case has a water-resistance rating of 30 metres. Self-winding calibre L591.5 has up to 45 hours of power reserve and is visible through a transparent case back. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism. The bracelet fits between lugs spaced 20 mm apart. The dial is covered by a scratch-resistant sapphire crystal.