Authentic brand new Longines HydroConquest sports watch model L3.782.4.56.6 or L37824566. Features automatic movement powered by the in-house manufactured L619/888 engine with a 64-hour power reserve. Includes date function, scratch-resistant sapphire crystal glass, and is water resistant up to 300 meters (approx. 990 feet). Constructed from ceramic bezel combined with a brushed stainless steel case and bracelet. Equipped with a screw-down crown and a solid case back.