Longines celebrates its storied history in aviation with a collection of irresistible heritage watches, each with its own set of unique neo-vintage design elements. Ref. L3.820.4.53.6 is a stainless steel Longines Spirit chronograph. It’s functional yet exudes a level of sophistication and refinement that many collectors with a multi-faceted lifestyle desire. For example, the case is waterproof up to 100 meters and features a scratch-resistant sapphire crystal, Swiss Super-LumiNova, and a self-winding mechanical movement with a coveted COSC rating. At the same time, this pre-owned Longines L3.820.4.53.6 is sleek in stainless steel and features a dramatic matte black dial decorated with silvered and sand-blasted hands and applied Arabic numerals.