New Authentic Longines flagship heritage men's watch, model L4.815.4.78.2. Features automatic movement powered by Caliber L899 with moonphase and date display sub-dials on a silver dial, scratch-resistant sapphire crystal, stainless steel case, brown leather alligator strap with tang clasp, round shape measuring 38.5mm diameter, power reserve indicator, water resistance up to 30 meters (100 feet), solid case back, and comes with a 2-year WatchMaxx warranty.