An authentic men's Longines Master Collection watch with model number L2-773-4-78-6, featuring a 42mm silver textured chronograph dial displaying Arabic numerals and day, date, month indicators along with moon phase information. The case is made of brushed and polished stainless steel as is the accompanying steel band strap. It includes a fixed bezel and houses an automatic self-winding movement protected by scratch-resistant sapphire crystal. This 14mm thick watch has dimensions indicating its size profile (42mm diameter) and offers water resistance suitable for shallow swimming at depths up to 30 meters or 100 feet. Comes with a standard WatchMaxx two-year warranty ensuring authenticity.