Authentic Longines HydroConquest Automatic watch model L3.781.3.78.9. Features a Rose Gold & Stainless Steel case, Grey Dial with Rose Gold tone hands and Arabic Numeral/Dot hour markers including minute markers on the outer rim; Date displayed at 3 o'clock position. Equipped with an automatic movement based on Longines Caliber L888 engine offering 72 hours power reserve. Functions include Date, Hour, Minute, Second display, and Power Reserve indication. Screw In crown for setting time. The watch has a Scratch Resistant Sapphire crystal glass cover. It features a Round case shape measuring 41mm in diameter with a thickness of 11.90mm; solid case back provides full protection. Water resistant up to 300 Meters or 990 Feet depth, suitable for various water activities within this range. Comes with a 2 year WatchMaxx warranty and is also known by model number L37813789.