The Longines Master Collection L2.357.4.70.6 is a 34mm stainless steel watch featuring an opaline ivory dial. Powered by the self-winding mechanical movement L888, it offers a 72-hour power reserve and operates at 25,200 vibrations per hour. The watch includes a scratch-resistant sapphire crystal with anti-reflective coating on both sides and is water-resistant up to 3 bar (30 meters). The stainless steel bracelet is secured with a triple safety folding clasp and push-piece opening mechanism. Reference number: L2.357.4.70.6.