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 & seconds shown within the 24hours indicator at 9 o'clock, date indicated by the half moon central hand, central seconds hand, moon phase display with 12hours counter at 6 o'clock, 30minutes counter with day and month display at 12 o'clock.