a luxury automatic mechanical movement chronometer certified by the COSC. Features a silver dial with diamond indices or markers and yellow gold colored hour/minute hands; case constructed from steel and 18k yellow gold in an Oyster design, round shape measuring 36 mm in diameter; includes date display positioned at approximately six o'clock via aperture; powered by Rolex Calibre 3235 movement providing reliable automatic operation with a 70-hour power reserve; protected by screw-down crown for water resistance up to 100 meters / 330 feet (diving depth); equipped with sapphire crystal bezel and case back, offering scratch-resistant and transparent visibility of the inner components respectively.