A tribute to the pioneers who placed their trust in Longines, this Longines Spirit Automatic Chronometer Men\'s Watch features the very same functions which were trusted and loved so the pioneer spirit lives on. At A Glance  Presented on a brown leather strap with white stitching 40mm case size with 100m water resistance Black matt dial with polished bezel Applied Arabic numerals filled with Swiss Super-LumiNova and date window at 3 o\'clock Silvered sandblasted hands Scratch resistant sapphire crystal glass with several layers of anti-reflective coating on both sides Powered by a Swiss self-winding mechanical movement Up to 64 hours power reserve Chronometer certified by COSC