Longines Master Collection

The Longines Master Collection, reference L2.128.4.78.6, has a 25.5 mm case in steel. Painted Arabic numerals accompany blued steel hands on the silver barleycorn dial. Measuring 8.9 mm thick and 30.5 mm lug-to-lug, the case has a water-resistance rating of 30 metres. Self-winding calibre L592.5 has up to 45 hours of power reserve and is visible through a transparent case back. The dial is covered by a scratch-resistant sapphire crystal. The dial has a date display and central seconds. A steel bracelet fastens with a triple safety folding clasp and a push-piece opening mechanism. The bracelet fits between lugs spaced 13 mm apart.