The Longines Spirit Chronograph L3.820.4.93.0 is a 42mm stainless steel watch featuring a sunray blue dial with applied Arabic numerals and silvered sandblasted hands, both coated with Swiss Super-LumiNova®. It is powered by the automatic Caliber L688.4 movement, offering a 66-hour power reserve and operating at 28,800 vibrations per hour. The watch includes a chronograph function with a column wheel mechanism, a date display, and small seconds at 9 o'clock. It has a scratch-resistant sapphire crystal with anti-reflective coating on both sides, a screw-in crown, and is water-resistant up to 100 meters. The blue leather strap is secured with a stainless steel buckle. Reference number: L3.820.4.93.0.