The Longines Heritage Military L2.819.4.93.2 is a timepiece inspired by a 1940s model designed for the British Royal Air Force. It features a 38.5 mm stainless steel case housing a self-winding mechanical movement that beats at 25,200 vibrations per hour, offering a power reserve of up to 72 hours. The opaline ivory dial is protected by a scratch-resistant sapphire crystal with anti-reflective coating on the underside. This watch is water-resistant up to 3 bar and comes with a green leather strap secured by a buckle. Reference number: L2.819.4.93.2.