The Longines Master Collection Automatic watch features a stainless steel case and bracelet with a fixed bezel. It displays an analog black dial equipped with black hands, diamond hour markers, minute markers at the outer rim, and date functionality positioned at 3 o'clock. Powered by an automatic movement offering a 42-hour power reserve, it is protected by a scratch-resistant sapphire crystal. The watch includes a transparent case back, measures 36mm in diameter with round shape, bracelet width of 19mm, secures with a deployment clasp and comes equipped with water resistance up to 30 meters or 100 feet.