An authentic Omega Constellation Co-Axial Master Chronometer watch with a diamond dial and bezel, featuring an 18kt rose gold case and bracelet. Equipped with the Calibre 8401 automatic movement, offering 60 hours of power reserve. Includes hour, minute, second functions. The sapphire crystal is scratch resistant. Possesses a round 38mm case, transparent case back, and measures 100 meters / 330 feet water resistance with a 5 year WatchMaxx warranty.