Professional Utility The Submariner Date is a cornerstone of Rolexs professional watch family. Designed for underwater exploration, it combines technical performance with enduring style. Refined Divers Tool This 2007 model features a 40mm case in Oystersteel and yellow gold, with a blue dial and rotatable bezel. It is powered by the calibre 3135 automatic movement, offering a 48-hour power reserve. The Oyster bracelet is fitted with a Fliplock Oysterlock clasp, ensuring both comfort and security in any setting.