Oystersteel case, Oystersteel bracelet. Fixed Oystersteel bezel. Black dial with luminous silver-tone hands and index hour markers. Arabic numeral minute markers (at 5-minute intervals). Minute markers around the outer rim. Analog dial type. Luminescent hands and markers visible in low light. Powered by Rolex Calibre 3230 automatic movement containing 31 Jewels, beating at 28800 vph, with a ~70-hour power reserve. Scratch-resistant Sapphire crystal. Screw-down crown. Solid case back. Round shape. Case size: 40 mm. Equipped with an Oysterlock fold-over clasp. Water resistant to 100 meters / 330 feet. Luxury analog wristwatch style, Swiss Made.