Authentic Rolex Datejust model M278383RBR-0020. Features a Yellow Rolesor case combining Oystersteel and yellow gold, along with the matching yellow gold Rolesor bracelet secured by a Crownclasp. Equipped with a fixed diamond bezel set. The silver dial displays polished yellow gold hands and diamond hour markers, plus an automatic movement providing 55 hours of power reserve. Includes date function, hours/minutes/seconds display, scratch-resistant sapphire crystal, round case shape measuring 31mm in size, solid case back. Water resistant up to 100 meters (approximately 330 feet). Comes with a 2-year WatchMaxx warranty.