Authentic Longines Master Collection automatic chronograph movement luxury watch, model number L2.859.4.78.3 (also known as L28594783). Powered by Longines Caliber L688 engine with 54 hours power reserve. Features date display between the 4 and 5 o'clock positions on a silver barleycorn dial, scratch-resistant sapphire crystal lens, round stainless steel case measuring 44mm in diameter and 9mm thick, brown leather alligator strap secured by deployment clasp, fixed bezel, blue steel hands, Arabic numeral hour markers with minute track around the outer rim, three sub-dials indicating power reserve (54 hours), date display, seconds up to 60, minutes up to 30, and hours up to 12. Water resistant to 30 meters / 100 feet. Includes a 2 year WatchMaxx warranty.