Rolex Submariner Date 126610LNOverview The 126610LN is the current generation black on black Submariner Date the reference that defines the archetype. First introduced as the 116610LN in 2010, the current generation updated the case to 41mm and replaced the Calibre 3135 with the 3235 in 2020, bringing a 70 hour power reserve and eliminating the older calibre's date quick set awkwardness. The case is 41mm Oystersteel with a black unidirectional Cerachrom bezel. The dial is black