Longines Calibre L591 automatic movement, 36mm round case size, yellow gold PVD and stainless steel construction with black alligator leather strap featuring tang clasp, fixed bezel, white dial with roman numeral hour markers and black hands, scratch resistant sapphire crystal, transparent case back, water resistance to 30 meters (100 feet), power reserve function, hour minute display, push/pull crown operation, comes in brand new authentic condition and includes a 2 year WatchMaxx warranty.