The Longines Avigation Watch Type A-7 1935, reference L2.812.4.23.2, features a 41mm stainless steel case with a white dial and blue hands. It is powered by the automatic Longines Calibre L788.2 movement, offering a 54-hour power reserve. The watch includes a chronograph function with a 30-minute counter at 3 o'clock, small seconds at 9 o'clock, and a date display at 6 o'clock. It is fitted with a brown alligator leather strap and is water-resistant up to 30 meters.