Longines Mens' Master Collection Automatic Stainless Steel Watch Blue Dial

This watch features an automatic self-winding mechanical movement with a frequency of 28,800 vibrations per hour and a monocrystalline silicone balance-spring for enhanced precision. With a power reserve of up to 45 hours, it is powered by natural motion. The stainless steel case, bracelet, and bezel complement the sunray blue dial, which includes silver-polished hands, applied indexes, and a day-of-the-month calendar at the 3 o'clock position. The watch has a sapphire crystal dial window that is scratch-resistant, and the transparent caseback showcases the movement. It includes a triple safety folding clasp with a push-piece opening mechanism. The 40mm case has a thickness of 9.35mm, a lug-to-lug distance of 46.8mm, and a lug width of 21mm. Water-resistant to 30 meters, it combines elegant design with reliable functionality.