The Longines Avigation Watch Type A-7 1935, reference L2.812.4.53.2, is a timepiece inspired by aviation history. It features a 41 mm stainless steel case with a black dial displaying painted Arabic numerals and silvered polished hands. The watch is powered by the automatic Longines caliber L788, operating at 28,800 vibrations per hour and offering a power reserve of approximately 54 hours. Functions include hours, minutes, small seconds at 9 o'clock, date, and a chronograph with a column wheel mechanism. The timepiece is complemented by a brown alligator leather strap with a steel tang buckle. Water resistance is rated at 30 meters. (karnig.com)