Rolex Submariner Steel Rolesor Blue 41mm 126613LBOverview The Rolex Submariner Date 126613LB, known as the "Bluesy," is a striking blend of luxury and functionality, elevating the legendary Submariner with a bold and sophisticated aesthetic. Its 41mm Steel Rolesor case, combining Oystersteel and 18k yellow gold, gives it a refined yet robust presence. The unidirectional Cerachrom bezel, finished in a deep blue with gold filled numerals, adds contrast and durability, while the radiant sunburst blue