Deepwater Legacy The Oyster Perpetual Submariner Date is a hallmark of Rolexs dive watch heritage. Designed for underwater exploration, it combines technical precision with enduring style, making it a trusted companion for professionals and enthusiasts alike. Professional Utility This reference, from 1984, features a 40mm Oystersteel case with a black dial and rotatable bezel calibrated for 60-minute intervals. Powered by the calibre 3035 automatic movement, it offers an extended 70-hour power reserve. The Oyster bracelet is fitted with Fliplock and Oysterlock clasps for secure wear in demanding conditions.