Authentic Omega Constellation Manhattan Chronometer. Silver dial features diamond hour markers and yellow gold tone hands. Yellow gold case with brushed and polished finish, equipped with a deployment clasp featuring push button activation for secure fastening. Fixed bezel enhances the classic design. Automatic movement Calibre 8701 provides reliable timekeeping with a 50-hour power reserve indicator. Includes date function. Sapphire crystal glass is scratch resistant ensuring clarity of the dial elements. Round case shape measures 29mm in diameter. The transparent case back allows visibility into the mechanism; water resistance rated at 50 meters (approximately 165 feet). Comes with a standard 5 year WatchMaxx warranty.