Longines Master Collection

The Longines Master Collection, reference L2.257.5.79.7, has a 29 mm round case in steel with an 18 karat rose gold cap. The silver barleycorn dial has painted Arabic numerals and blued steel hands. The case measures 9 mm thick and 34.5 mm lug-to-lug, with water resistance rated to 30 metres. Self-winding calibre L592.5 provides up to 45 hours of power reserve and is visible through a transparent case back. A scratch-resistant sapphire crystal covers the dial. A bracelet in steel with an 18 karat rose gold cap closes with a triple safety folding clasp and a push-piece opening mechanism. The dial includes a date display and central seconds.