Offering dependable style and unmistakeable character, this distinguished Longines Master Collection moon phase chronograph men\'s watch has been perfected over generations of distinguished traditions. Fastened with a luxurious brown alligator strap with triple folding security clasp and push-piece opening mechanism, the 40mm stainless steel case has a transparent case back and a refined polished bezel which continues its clean and sophisticated lines. Beneath the scratch-resistant sapphire crystal, the silver barley corn dial features silver tone Roman numeral hour markers, three chronograph sub dials and blued steel hands. Demonstrating exquisite Swiss Made technology, the functions of this elegant watch include, hours, minutes and small seconds shown within the 24-hours indicator at 9 o\'clock, date indicated by the half moon central hand, central seconds hand, moon phase display with 12-hours counter at 6 o\'clock, 30-minutes counter with day and month display at 12 o\'clock. Water resistant  to 30m, this stylish watch is powered by a Calibre L678 self winding mechanical movement which beats at 28,800 vibrations per hour and has a power reserve of 48 hours. A perfect example of the skill and craftsmanship of the Longines watchmakers, this Master Collection automatic watch combines state-of-the-art technology with  refined, traditional style.  L2.673.4.78.3