The Longines Master Collection L2.631.4.70.3 is a men's automatic watch featuring a 38.5mm stainless steel case with a fixed bezel. The silver dial showcases Arabic numerals and blued steel hands, protected by a scratch-resistant sapphire crystal. Powered by the Longines Calibre L635 movement, it offers a 38-hour power reserve and includes functions such as date display at the 3 o'clock position and world time indication. The watch is complemented by a brown alligator leather strap with a deployant buckle. Water resistance is rated at 30 meters. Reference number: L2.631.4.70.3.